CVE-2024-1086
published 2024-01-31CVE-2024-1086: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The…
PriorityP187high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
KEVITWEXPLOITRansomware
CISA Known Exploited Vulnerabilitydue 2024-06-20
Exploited in the wild
EPSS
28.06%
97.9th percentile
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when NF_DROP is issued with a drop error which resembles NF_ACCEPT.
We recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660.
Affected
36 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | linux | < linux 6.1.76-1 (bookworm) | linux 6.1.76-1 (bookworm) |
| fedoraproject | fedora | — | — |
| chrome_chrome | — | — | |
| linux | kernel | >= 3.15 < 6.8 | 6.8 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.209-2 | 5.10.209-2 |
| linux | linux_kernel | >= 0 < 6.1.76-1 | 6.1.76-1 |
| linux | linux_kernel | >= 0 < 6.6.15-1 | 6.6.15-1 |
| linux | linux_kernel | >= 0 < 6.6.15-1 | 6.6.15-1 |
| linux | linux_kernel | >= 0 < 5.4.0-174.193 | 5.4.0-174.193 |
| linux | linux_kernel | >= 0 < 5.15.0-101.111 | 5.15.0-101.111 |
| linux | linux_kernel | >= 0 < 4.4.0-252.286 | 4.4.0-252.286 |
| linux | linux_kernel | >= 0 < 4.15.0-223.235 | 4.15.0-223.235 |
| linux | linux_kernel | >= 0 < 5.4.0-176.196 | 5.4.0-176.196 |
| linux | linux_kernel | >= 0 < 5.4.0-174.193 | 5.4.0-174.193 |
| linux | linux_kernel | >= 0 < 5.15.0-102.112 | 5.15.0-102.112 |
| linux | linux_kernel | >= 0 < 5.15.0-101.111 | 5.15.0-101.111 |
| linux | linux_kernel | >= 3.15 < 5.15.149 | 5.15.149 |
| linux | linux_kernel | >= 6.1 < 6.1.76 | 6.1.76 |
| linux | linux_kernel | >= 6.2 < 6.6.15 | 6.6.15 |
| linux | linux_kernel | >= 6.7 < 6.7.3 | 6.7.3 |
| msrc | azl3_kernel_6.6.14.1-4_on_azure_linux_3.0 | — | — |
| msrc | azure_linux_3.0_arm | — | — |
| msrc | azure_linux_3.0_x64 | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →The exploit achieves a universal root shell without recompilation across different kernels using a 'Dirty Pagedirectory' technique; hunt for unexpected root shell spawning from non-privileged processes on affected kernel versions. ↗
- →The exploit overwrites modprobe_path to achieve privilege escalation; monitor for unexpected writes to modprobe_path kernel symbol or anomalous modprobe execution from non-root processes. ↗
- →System instability or crash following a root shell being dropped may indicate post-exploitation of CVE-2024-1086; correlate unexpected kernel panics or system crashes with prior nf_tables activity. ↗
- →CVE-2024-1086 is being exploited in ransomware attacks; correlate nf_tables-related privilege escalation events with ransomware TTPs such as defense evasion, file encryption, and lateral movement. ↗
- →The vulnerability is triggered via a double-free when NF_DROP is issued with a drop error resembling NF_ACCEPT in nf_hook_slow(); detection logic should look for anomalous netfilter hook verdicts or double-free kernel errors in nf_tables. ↗
- ·The exploit requires local access; it is not remotely exploitable on its own. Threat actors must first obtain local access before leveraging this vulnerability for privilege escalation. ↗
- ·The vulnerability affects a broad range of kernel versions (3.15 to 6.8-rc1), impacting many major Linux distributions including Debian, Ubuntu, Fedora, Red Hat, Amazon Linux, Oracle Linux, and Rocky Linux depending on configuration and patch level. ↗
- ·Loading the LKRG module as a mitigation can cause system instability and should be evaluated carefully before deployment. ↗
- ·The public PoC exploit may cause system instability and crashes post-exploitation; more sophisticated threat actors may modify the exploit to avoid this behavior, making detection harder. ↗
- ·Blocking user namespace creation is a recommended mitigation that can reduce the attack surface until patching is feasible. ↗
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vulncheck7.8HIGH
cisa7.8HIGH
vendor_debian7.8HIGH
vendor_msrc7.8HIGH
vendor_redhat7.8HIGH
vendor_ubuntu7.8HIGH
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Quentin Minster discovered that the KSMBD implementation in the Linux
kernel did not properly handle session setup requests. A remote attacker
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Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
Quentin Minster discovered that the KSMBD implementation in the Linux
kernel did not properly handle session setup requests. A remote attacker
could possibly use this to cause a denial of service (memory exhaustion).
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OSV
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Linux kernel did not properly handle certain error conditions during device
registration. A local attacker could possibly use this to cause a denial of
service (system crash). (CVE-2023-22995)
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
Quentin Minster discovered that the KSMBD implementation in the Linux
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could possibly use this to cause a denial of service (memory exhaustion).
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OSV
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Lonial Con discovered that the netfilter subsystem in the Linux kernel did
not properly handle element deactivation in certain cases, leading to a
use-after-free vulnerability. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2024-1085)
Notselwyn discovered that the netfilter subsystem in the Linux kernel did
not properly handle verdict parameters in certain cases, leading to a use-
after-free vulnerability. A local attacker could use this to cause a denial
of service (system crash) or possibly execute arbitr
OSV
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not properly perform permissions checks when handling HCI sockets. A
physically proximate attacker could use this to cause a denial of service
(bluetooth communication). (CVE-2023-2002)
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
It was discovered that Spectre-BHB mitigations were missing for Ampere
processors. A local attacker could potentially use this to expose sensitive
information. (CVE-2023-3006)
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OSV
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Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
It was discovered that the ARM Mali Display Processor driver implementation
in the Linux kernel did not properly handle certain error conditions. A
local attacker could possibly use this to cause a denial of service (system
crash). (CVE-2023-23004)
Notselwyn discovered that the netfilter subsystem in the Linux kernel did
not properly handle verdict parameters in certain cases, leading to
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities
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It was discovered that the Layer 2 Tunneling Protocol (L2TP) implementation
in the Linux kernel contained a race condition when releasing PPPoL2TP
sockets in certain conditions, leading to a use-after-free vulnerability.
A local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2022-20567)
It was discovered that the ext4 file system implementation in the Linux
kernel did not properly handle block device modification while it is
mounted. A privileged attacker could use this to cause a denial of service
(system crash) or possibly expose sensitive information. (CVE-2023-34256)
Eric Dumazet discovered that the netfilter subsystem in the Linux kernel
did not properly handl
OSV
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Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did
not properly perform permissions checks when handling HCI sockets. A
physically proximate attacker could use this to cause a denial of service
(bluetooth communication). (CVE-2023-2002)
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
It was discovered that Spectre-BHB mitigations were missing for Ampere
processors. A local attacker could potentially use this to expose sensitive
information. (CVE-2023-3006)
It was discovered that the ext4 file system
OSV
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It was discovered that the Habana's AI Processors driver in the Linux
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leading to a use-after-free vulnerability. A
GHSA
GHSA-gfh2-2mj9-m2cx: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation
ghsa_unreviewed·2024-01-31
CVE-2024-1086 [HIGH] CWE-416 GHSA-gfh2-2mj9-m2cx: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when NF_DROP is issued with a drop error which resembles NF_ACCEPT.
We recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660.
OSV
CVE-2024-1086: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation
osv·2024-01-31·CVSS 7.8
CVE-2024-1086 [HIGH] CVE-2024-1086: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when NF_DROP is issued with a drop error which resembles NF_ACCEPT. We recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660.
VulnCheck
Linux Kernel Use-After-Free Vulnerability
vulncheck·2024·CVSS 7.8
CVE-2024-1086 [HIGH] CWE-416 Linux Kernel Use-After-Free Vulnerability
Linux Kernel Use-After-Free Vulnerability
Linux kernel contains a use-after-free vulnerability in the netfilter: nf_tables component that allows an attacker to achieve local privilege escalation.
Affected: Linux Kernel
Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known Ransomware Campaign Use: Known
Exploitation References: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json; https://www.crowdstrike.com/blog/active-exploitation-linux-kernel-privilege-escalation-vulnerability/; https://blog.qualys.com/vulnerabilities-threat-research/2025/02/25/defense-lessons-from-the-black-basta-ransomware-playbook; https://securelist.com/vulnerabilities-and-exploits-in-q4-2024/115761/; http
CISA ICS
Siemens SINEC OS
cisa_ics·2025-08-14
Siemens SINEC OS
ICS Advisory
##
Siemens SINEC OS
Release DateAugust 14, 2025
Alert CodeICSA-25-226-15
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens' ProductCERT Security Advisories (CERT Services | Services | Siemens Global).
View CSAF
## 1. EXECUTIVE SUMMARY
- CVSS v3.1 9.1
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Siemens
- Equipment: RUGGEDCOM, SCALANCE
- Vulnerabilities: NULL Pointer Dereference, Use After Free, Unchecked Input for Loop Condition, Out-of-bounds Write, Ou
Palo Alto
PAN-SA-2025-0012 Informational Bulletin: OSS CVEs Fixed in PAN-OS
vendor_paloalto·2025-07-09·CVSS 7.5
CVE-2018-6594 [HIGH] PAN-SA-2025-0012 Informational Bulletin: OSS CVEs Fixed in PAN-OS
PAN-SA-2025-0012 Informational Bulletin: OSS CVEs Fixed in PAN-OS
The Palo Alto Networks Product Security Assurance team has evaluated the following open source software (OSS) CVEs as they relate to PAN-OS. While it was not determined that these CVEs have any significant impact on PAN-OS, they have been fixed out of an abundance of caution. CVE Summary CVE-2018-6594 This CVE is fixed in PAN-OS 10.2.17, 11.1.11, 11.2.8, 12.1.2, and all later versions of PAN-OS CVE-2018-25032 This CVE is fixed in PAN-OS 10.1.7, 10.2.2, and all later versions of PAN-OS CVE-2019-5827 This CVE is fixed in PAN-OS 11.1.4, and all later versions of PAN-OS. CVE-2019-13750 This CVE is fixed in PAN-OS 11.1.4, and all later versions of PAN-OS. CVE-2019-13751 This CVE is fixed in PAN-OS 11.1.4, and all later versions
Palo Alto
PAN-SA-2025-0012 Informational Bulletin: OSS CVEs Fixed in PAN-OS
vendor_paloalto·2025-07-09·CVSS 7.5
CVE-2023-38546 [HIGH] PAN-SA-2025-0012 Informational Bulletin: OSS CVEs Fixed in PAN-OS
PAN-SA-2025-0012 Informational Bulletin: OSS CVEs Fixed in PAN-OS
The Palo Alto Networks Product Security Assurance team has evaluated the following open source software (OSS) CVEs as they relate to PAN-OS. While it was not determined that these CVEs have any significant impact on PAN-OS, they have been fixed out of an abundance of caution. CVE Summary CVE-2018-6594 This CVE is fixed in PAN-OS 10.2.17, 11.1.11, 11.2.8, 12.1.2, and all later versions of PAN-OS CVE-2018-25032 This CVE is fixed in PAN-OS 10.1.7, 10.2.2, and all later versions of PAN-OS CVE-2019-5827 This CVE is fixed in PAN-OS 11.1.4, and all later versions of PAN-OS. CVE-2019-13750 This CVE is fixed in PAN-OS 11.1.4, and all later versions of PAN-OS. CVE-2019-13751 This CVE is fixed in PAN-OS 11.1.4, and all later versions
CISA
Linux Kernel Use-After-Free Vulnerability
cisa·2024-05-30·CVSS 7.8
CVE-2024-1086 [HIGH] CWE-416 Linux Kernel Use-After-Free Vulnerability
Vulnerability: Linux Kernel Use-After-Free Vulnerability
Affected: Linux Kernel
Linux kernel contains a use-after-free vulnerability in the netfilter: nf_tables component that allows an attacker to achieve local privilege escalation.
Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes: This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f342de4e2f33e0e39165d8639387aa6c19dff660; https://nvd.nist.gov/vuln/detail/CVE-2024-1086
Remediation Due Date: 2024-06-20
Ubuntu
Kernel Live Patch Security Notice
vendor_ubuntu·2024-04-30·CVSS 5.5
CVE-2024-0193 [MEDIUM] Kernel Live Patch Security Notice
Title: Kernel Live Patch Security Notice
Summary: Several security issues were fixed in the kernel.
Lonial Con discovered that the netfilter subsystem in the Linux kernel
contained a memory leak when handling certain element flush operations. A
local attacker could use this to expose sensitive information (kernel
memory).(CVE-2023-4569)
Xingyuan Mo discovered that the netfilter subsystem in the Linux kernel did
not properly handle inactive elements in its PIPAPO data structure, leading
to a use-after-free vulnerability. A local attacker could use this to cause
a denial of service (system crash) or possibly execute arbitrary code.(CVE-2023-6817)
It was discovered that a race condition existed in the AppleTalk networking
subsystem of the Linux kernel, leading to a use-after-free vulnerab
Ubuntu
Linux kernel (Azure) vulnerabilities
vendor_ubuntu·2024-04-09·CVSS 6.8
CVE-2023-3006 [MEDIUM] Linux kernel (Azure) vulnerabilities
Title: Linux kernel (Azure) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did
not properly perform permissions checks when handling HCI sockets. A
physically proximate attacker could use this to cause a denial of service
(bluetooth communication). (CVE-2023-2002)
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
It was discovered that Spectre-BHB mitigations were missing for Ampere
processors. A local attacker could potentially use this to expose sensitive
information. (CVE-2023-3006)
It
Ubuntu
Kernel Live Patch Security Notice
vendor_ubuntu·2024-04-03·CVSS 7.8
CVE-2023-6176 [HIGH] Kernel Live Patch Security Notice
Title: Kernel Live Patch Security Notice
Summary: Several security issues were fixed in the kernel.
It was discovered that a race condition existed in the io_uring subsystem
in the Linux kernel, leading to a use-after-free vulnerability. A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code.(CVE-2023-1872)
Lonial Con discovered that the netfilter subsystem in the Linux kernel
contained a memory leak when handling certain element flush operations. A
local attacker could use this to expose sensitive information (kernel
memory).(CVE-2023-4569)
It was discovered that the TLS subsystem in the Linux kernel did not
properly perform cryptographic operations in some situations, leading to a
null pointer dereference vulnerability. A local
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities
vendor_ubuntu·2024-03-28·CVSS 5.5
CVE-2024-1085 [MEDIUM] Linux kernel (Intel IoTG) vulnerabilities
Title: Linux kernel (Intel IoTG) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
Quentin Minster discovered that the KSMBD implementation in the Linux
kernel did not properly handle session setup requests. A remote attacker
could possibly use this to cause a denial of service (memory exhaustion).
(CVE-2023-32247)
Lonial Con discovered that the netfilter subsystem in the Linux kernel did
not properly handle element deactivation in certain cases, leading to a
use-after-free vulnerability. A local attacker could
Ubuntu
Linux kernel (Azure) vulnerabilities
vendor_ubuntu·2024-03-28·CVSS 7.8
CVE-2024-1085 [HIGH] Linux kernel (Azure) vulnerabilities
Title: Linux kernel (Azure) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Lonial Con discovered that the netfilter subsystem in the Linux kernel did
not properly handle element deactivation in certain cases, leading to a
use-after-free vulnerability. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2024-1085)
Notselwyn discovered that the netfilter subsystem in the Linux kernel did
not properly handle verdict parameters in certain cases, leading to a use-
after-free vulnerability. A local attacker could use this to cause a denial
of service (system crash) or possibly execute arbitrary code.
(CVE-2024-1086)
Several security issues were discovered in the Linux kernel.
An attacker could
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2024-03-25·CVSS 6.8
CVE-2024-0775 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did
not properly perform permissions checks when handling HCI sockets. A
physically proximate attacker could use this to cause a denial of service
(bluetooth communication). (CVE-2023-2002)
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
It was discovered that Spectre-BHB mitigations were missing for Ampere
processors. A local attacker could potentially use this to expose sensitive
information. (CVE-2023-3006)
It was dis
Ubuntu
Linux kernel (Azure) vulnerabilities
vendor_ubuntu·2024-03-25·CVSS 5.5
CVE-2023-6121 [MEDIUM] Linux kernel (Azure) vulnerabilities
Title: Linux kernel (Azure) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Wenqing Liu discovered that the f2fs file system implementation in the
Linux kernel did not properly validate inode types while performing garbage
collection. An attacker could use this to construct a malicious f2fs image
that, when mounted and operated on, could cause a denial of service (system
crash). (CVE-2021-44879)
It was discovered that the DesignWare USB3 for Qualcomm SoCs driver in the
Linux kernel did not properly handle certain error conditions during device
registration. A local attacker could possibly use this to cause a denial of
service (system crash). (CVE-2023-22995)
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not p
Ubuntu
Linux kernel (Oracle) vulnerabilities
vendor_ubuntu·2024-03-25·CVSS 5.5
CVE-2024-1086 [MEDIUM] Linux kernel (Oracle) vulnerabilities
Title: Linux kernel (Oracle) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
Quentin Minster discovered that the KSMBD implementation in the Linux
kernel did not properly handle session setup requests. A remote attacker
could possibly use this to cause a denial of service (memory exhaustion).
(CVE-2023-32247)
Lonial Con discovered that the netfilter subsystem in the Linux kernel did
not properly handle element deactivation in certain cases, leading to a
use-after-free vulnerability. A local attacker could use
Ubuntu
Linux kernel (AWS) vulnerabilities
vendor_ubuntu·2024-03-25·CVSS 7.8
CVE-2024-26597 [HIGH] Linux kernel (AWS) vulnerabilities
Title: Linux kernel (AWS) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Lonial Con discovered that the netfilter subsystem in the Linux kernel did
not properly handle element deactivation in certain cases, leading to a
use-after-free vulnerability. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2024-1085)
Notselwyn discovered that the netfilter subsystem in the Linux kernel did
not properly handle verdict parameters in certain cases, leading to a use-
after-free vulnerability. A local attacker could use this to cause a denial
of service (system crash) or possibly execute arbitrary code.
(CVE-2024-1086)
Several security issues were discovered in the Linux kernel.
An attacker could po
Ubuntu
Linux kernel (ARM laptop) vulnerabilities
vendor_ubuntu·2024-03-21·CVSS 7.8
CVE-2024-26597 [HIGH] Linux kernel (ARM laptop) vulnerabilities
Title: Linux kernel (ARM laptop) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Lonial Con discovered that the netfilter subsystem in the Linux kernel did
not properly handle element deactivation in certain cases, leading to a
use-after-free vulnerability. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2024-1085)
Notselwyn discovered that the netfilter subsystem in the Linux kernel did
not properly handle verdict parameters in certain cases, leading to a use-
after-free vulnerability. A local attacker could use this to cause a denial
of service (system crash) or possibly execute arbitrary code.
(CVE-2024-1086)
Several security issues were discovered in the Linux kernel.
An attacker c
Ubuntu
Linux kernel (AWS) vulnerabilities
vendor_ubuntu·2024-03-21·CVSS 6.4
CVE-2024-0775 [MEDIUM] Linux kernel (AWS) vulnerabilities
Title: Linux kernel (AWS) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the Layer 2 Tunneling Protocol (L2TP) implementation
in the Linux kernel contained a race condition when releasing PPPoL2TP
sockets in certain conditions, leading to a use-after-free vulnerability. A
local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2022-20567)
It was discovered that the ext4 file system implementation in the Linux
kernel did not properly handle block device modification while it is
mounted. A privileged attacker could use this to cause a denial of service
(system crash) or possibly expose sensitive information. (CVE-2023-34256)
Eric Dumazet discovered that the netfilter subsys
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities
vendor_ubuntu·2024-03-21·CVSS 5.5
CVE-2024-1086 [MEDIUM] Linux kernel (Raspberry Pi) vulnerabilities
Title: Linux kernel (Raspberry Pi) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
Quentin Minster discovered that the KSMBD implementation in the Linux
kernel did not properly handle session setup requests. A remote attacker
could possibly use this to cause a denial of service (memory exhaustion).
(CVE-2023-32247)
Lonial Con discovered that the netfilter subsystem in the Linux kernel did
not properly handle element deactivation in certain cases, leading to a
use-after-free vulnerability. A local attacker coul
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2024-03-20·CVSS 5.5
CVE-2024-24855 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
It was discovered that the ARM Mali Display Processor driver implementation
in the Linux kernel did not properly handle certain error conditions. A
local attacker could possibly use this to cause a denial of service (system
crash). (CVE-2023-23004)
Notselwyn discovered that the netfilter subsystem in the Linux kernel did
not properly handle verdict parameters in certain cases, leading to a use-
after-free vulnerability. A local attacker could
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2024-03-20·CVSS 5.5
CVE-2024-1086 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
Quentin Minster discovered that the KSMBD implementation in the Linux
kernel did not properly handle session setup requests. A remote attacker
could possibly use this to cause a denial of service (memory exhaustion).
(CVE-2023-32247)
Lonial Con discovered that the netfilter subsystem in the Linux kernel did
not properly handle element deactivation in certain cases, leading to a
use-after-free vulnerability. A local attacker could use this to c
Ubuntu
Linux kernel (GCP) vulnerabilities
vendor_ubuntu·2024-03-20·CVSS 6.8
CVE-2023-51781 [MEDIUM] Linux kernel (GCP) vulnerabilities
Title: Linux kernel (GCP) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did
not properly perform permissions checks when handling HCI sockets. A
physically proximate attacker could use this to cause a denial of service
(bluetooth communication). (CVE-2023-2002)
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
It was discovered that Spectre-BHB mitigations were missing for Ampere
processors. A local attacker could potentially use this to expose sensitive
information. (CVE-2023-3006)
It w
Ubuntu
Linux kernel (AWS) vulnerabilities
vendor_ubuntu·2024-03-20·CVSS 7.8
CVE-2023-4134 [HIGH] Linux kernel (AWS) vulnerabilities
Title: Linux kernel (AWS) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the DesignWare USB3 for Qualcomm SoCs driver in the
Linux kernel did not properly handle certain error conditions during device
registration. A local attacker could possibly use this to cause a denial of
service (system crash). (CVE-2023-22995)
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
Quentin Minster discovered that the KSMBD implementation in the Linux
kernel did not properly handle session setup requests. A remote attacker
could possibly use this to cau
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2024-03-20·CVSS 7.8
CVE-2024-26597 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Lonial Con discovered that the netfilter subsystem in the Linux kernel did
not properly handle element deactivation in certain cases, leading to a
use-after-free vulnerability. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2024-1085)
Notselwyn discovered that the netfilter subsystem in the Linux kernel did
not properly handle verdict parameters in certain cases, leading to a use-
after-free vulnerability. A local attacker could use this to cause a denial
of service (system crash) or possibly execute arbitrary code.
(CVE-2024-1086)
Several security issues were discovered in the Linux kernel.
An attacker could possibly
Chrome
Long Term Support Channel Update for ChromeOS: CVE-2024-1086
vendor_chrome·2024-03-19·CVSS 7.8
CVE-2024-1086 [HIGH] Long Term Support Channel Update for ChromeOS: CVE-2024-1086
Long Term Support Channel Update for ChromeOS
CVE-2024-1086
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2024-03-19·CVSS 5.5
CVE-2023-23004 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
It was discovered that the ARM Mali Display Processor driver implementation
in the Linux kernel did not properly handle certain error conditions. A
local attacker could possibly use this to cause a denial of service (system
crash). (CVE-2023-23004)
Notselwyn discovered that the netfilter subsystem in the Linux kernel did
not properly handle verdict parameters in certain cases, leading to a use-
after-free vulnerability. A local attacker could
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2024-03-18·CVSS 6.4
CVE-2023-34256 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the Layer 2 Tunneling Protocol (L2TP) implementation
in the Linux kernel contained a race condition when releasing PPPoL2TP
sockets in certain conditions, leading to a use-after-free vulnerability.
A local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2022-20567)
It was discovered that the ext4 file system implementation in the Linux
kernel did not properly handle block device modification while it is
mounted. A privileged attacker could use this to cause a denial of service
(system crash) or possibly expose sensitive information. (CVE-2023-34256)
Eric Dumazet discovered that the netfilter subsystem in
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2024-03-18·CVSS 6.8
CVE-2023-46838 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did
not properly perform permissions checks when handling HCI sockets. A
physically proximate attacker could use this to cause a denial of service
(bluetooth communication). (CVE-2023-2002)
It was discovered that the NVIDIA Tegra XUSB pad controller driver in the
Linux kernel did not properly handle return values in certain error
conditions. A local attacker could use this to cause a denial of service
(system crash). (CVE-2023-23000)
It was discovered that Spectre-BHB mitigations were missing for Ampere
processors. A local attacker could potentially use this to expose sensitive
information. (CVE-2023-3006)
It was dis
Ubuntu
Linux kernel (OEM) vulnerabilities
vendor_ubuntu·2024-03-11·CVSS 7.5
CVE-2023-52438 [HIGH] Linux kernel (OEM) vulnerabilities
Title: Linux kernel (OEM) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Pratyush Yadav discovered that the Xen network backend implementation in
the Linux kernel did not properly handle zero length data request, leading
to a null pointer dereference vulnerability. An attacker in a guest VM
could possibly use this to cause a denial of service (host domain crash).
(CVE-2023-46838)
It was discovered that the Habana's AI Processors driver in the Linux
kernel did not properly initialize certain data structures before passing
them to user space. A local attacker could use this to expose sensitive
information (kernel memory). (CVE-2023-50431)
Murray McAllister discovered that the VMware Virtual GPU DRM driver in the
Linux kernel did not properly handle memor
Red Hat
kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function
vendor_redhat·2024-01-31·CVSS 7.8
CVE-2024-1086 [HIGH] CWE-416 kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function
kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when NF_DROP is issued with a drop error which resembles NF_ACCEPT.
We recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660.
A flaw was found in the Netfilter subsystem in the Linux kernel. This issue occurs in the nft_verdict_init() function, allowing positive values as a drop error within the hook verdict, therefore, the nf_hook_slow() function can cause a double-free vulnerabilit
Microsoft
Use-after-free in Linux kernel's netfilter: nf_tables component
vendor_msrc·2024-01-09·CVSS 7.8
CVE-2024-1086 [HIGH] CWE-416 Use-after-free in Linux kernel's netfilter: nf_tables component
Use-after-free in Linux kernel's netfilter: nf_tables component
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.
Mariner: Mariner
Google: Google
Customer Action Required: Yes
Remediation: CBL-Mariner Releases
Reference: htt
Debian
CVE-2024-1086: linux - A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables compon...
vendor_debian·2024·CVSS 7.8
CVE-2024-1086 [HIGH] CVE-2024-1086: linux - A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables compon...
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when NF_DROP is issued with a drop error which resembles NF_ACCEPT. We recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660.
Scope: local
bookworm: resolved (fixed in 6.1.76-1)
bullseye: resolved (fixed in 5.10.209-2)
forky: resolved (fixed in 6.6.15-1)
sid: resolved (fixed in 6.6.15-1)
trixie: resolved (fixed in 6.6.15-1)
Suricata
GPL SQL xp_printstatements possible buffer overflow
suricata·2010-09-23
CVE-2000-1086 GPL SQL xp_printstatements possible buffer overflow
GPL SQL xp_printstatements possible buffer overflow
Rule: alert tcp $EXTERNAL_NET any -> $SQL_SERVERS 139 (msg:"GPL SQL xp_printstatements possible buffer overflow"; flow:established,to_server; content:"x|00|p|00|_|00|p|00|r|00|i|00|n|00|t|00|s|00|t|00|a|00|t|00|e|00|m|00|e|00|n|00|t|00|s|00|"; offset:32; nocase; reference:bugtraq,2041; reference:cve,2000-1086; reference:url,www.microsoft.com/technet/security/bulletin/MS00-092.mspx; classtype:attempted-user; sid:2100690; rev:11; metadata:created_at 2010_09_23, cve CVE_2000_1086, confidence Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_08;)
No public exploits indexed.
Tenable
Fragnesia (CVE-2026-46300): Frequently asked questions about new Linux Kernel XFRM ESP-in-TCP privilege escalation
blogs_tenable·2026-05-14
CVE-2026-46300 Fragnesia (CVE-2026-46300): Frequently asked questions about new Linux Kernel XFRM ESP-in-TCP privilege escalation
## Exposure Management
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resource center
## Accelerate your exposure management strategy with practical resources and tools.
## Fragnesia (CVE-2026-46300): Frequently asked questions about new Linux Kernel XFRM ESP-in-TCP privilege escalation
A new Linux kernel local privilege escalation exploit with a public proof-of-concept targets the same subsystem as Dirty Frag but requires a separate patch.
## Key Takeaways
CVE
Greynoiseio
The Noise in the Silence: Unmasking CISA's Hidden KEV Ransomware Updates
blogs_greynoiseio·2026-02-02
The Noise in the Silence: Unmasking CISA's Hidden KEV Ransomware Updates
CVE Disclosure Early Warning Get an early warning when traffic spikes indicate a high likelihood of new disclosures
Compromised Asset Detection Find out immediately if an asset communicates with a malicious IP address
Vulnerability Prioritization Get real-time insight into active exploitation trends to better understand risk and severity
SOC Efficiency Filter out noisy, low priority and false-positive alerts from mass internet scanners
Incident Investigation Add context to incidents to speed the determinations of scope and timelines
Threat Hunting Quickly identify anomalous behavior and enrich your threat hunting campaigns
Why GreyNoise
CVE Disclosure Early Warning Get an early warning when traffic spikes indicate a high likelihood of new disclosures
Compromised Asset Detection Fin
Bleepingcomputer
CISA: High-severity Linux flaw now exploited by ransomware gangs
blogs_bleepingcomputer·2025-10-31·CVSS 7.8
CVE-2024-1086 [HIGH] CISA: High-severity Linux flaw now exploited by ransomware gangs
## CISA: High-severity Linux flaw now exploited by ransomware gangs
## Sergiu Gatlan
CISA confirmed on Thursday that a high-severity privilege escalation flaw in the Linux kernel is now being exploited in ransomware attacks.
While the vulnerability (tracked as CVE-2024-1086 ) was disclosed on January 31, 2024, as a use-after-free weakness in the netfilter: nf_tables kernel component and was fixed via a commit submitted in January 2024 , it was first introduced by a decade-old commit in February 2014 .
Successful exploitation enables attackers with local access to escalate privileges on the target system, potentially resulting in root-level access to compromised devices.
As Immersive Labs explains , potential impact includes system takeover once root access is gained (allowing attacker
Securelist
Vulnerability landscape analysis for Q4 2024
blogs_securelist·2025-02-26
Vulnerability landscape analysis for Q4 2024
Table of Contents
- Statistics on registered vulnerabilities
- Exploitation statistics
- Vulnerability exploitation in APT attacks
- Interesting vulnerabilities
- Conclusion and advice
Authors
- Alexander Kolesnikov
Q4 2024 saw fewer published exploits for Windows and Linux compared to the first three quarters. Although the number of registered vulnerabilities continued to rise, the total number of Proof of Concept (PoC) instances decreased compared to 2023. Among notable techniques in Q4, attackers leveraged undocumented RPC interfaces and targeted the Windows authentication mechanism.
## Statistics on registered vulnerabilities
This section contains statistics on registered vulnerabilities. Data is sourced from the CVE portal: cve.org.
Total number of registered vulnerabilities a
Securelist
Exploits and vulnerabilities in Q4 2024
blogs_securelist·2025-02-26·CVSS 6.5
CVE-2024-43572 [MEDIUM] Exploits and vulnerabilities in Q4 2024
Table of Contents
Statistics on registered vulnerabilities
Exploitation statistics
Windows and Linux vulnerability exploitation
Most common published exploits
Vulnerability exploitation in APT attacks
Interesting vulnerabilities
CVE-2024-43572—Remote code execution vulnerability in Microsoft Management Console
CVE-2024-43451—NetNTLM hash disclosure vulnerability
CVE-2024-49039—Elevation of privilege vulnerability in Windows Task Scheduler
Conclusion and advice
Authors
Alexander Kolesnikov
Q4 2024 saw fewer published exploits for Windows and Linux compared to the first three quarters. Although the number of registered vulnerabilities continued to rise, the total number of Proof of Concept (PoC) instances decreased compared to 2023. Among notable techniques in Q4, attackers leve
Greynoiseio
GreyNoise Detects Active Exploitation of CVEs Mentioned in Black Basta’s Leaked Chat Logs
blogs_greynoiseio·2025-02-26·CVSS 9.8
[CRITICAL] GreyNoise Detects Active Exploitation of CVEs Mentioned in Black Basta’s Leaked Chat Logs
CVE Disclosure Early Warning Get an early warning when traffic spikes indicate a high likelihood of new disclosures
Compromised Asset Detection Find out immediately if an asset communicates with a malicious IP address
Vulnerability Prioritization Get real-time insight into active exploitation trends to better understand risk and severity
SOC Efficiency Filter out noisy, low priority and false-positive alerts from mass internet scanners
Incident Investigation Add context to incidents to speed the determinations of scope and timelines
Threat Hunting Quickly identify anomalous behavior and enrich your threat hunting campaigns
Why GreyNoise
CVE Disclosure Early Warning Get an early warning when traffic spikes indicate a high likelihood of new disclosures
Compromised Asset Detection Fin
Qualys
Defense Lessons From the Black Basta Ransomware Playbook
blogs_qualys·2025-02-25
Defense Lessons From the Black Basta Ransomware Playbook
## Table of Contents
Know Your Enemys Playbook
Attackers Move Fast
How Qualys Can Help
The cybersecurity world was rocked last week by a massive leak of Black Basta’s internal communications that emerged from the group’s chat logs. Triggered by internal conflicts and a retaliatory data dump following attacks on Russian banks, the exposed records offer a rare glimpse into Black Basta’s tactics, operations, and leadership.
We’ve analyzed these newly unveiled tactics, and in this blog, we equip security teams with clear, actionable insights. We aim to highlight the key lessons learned—like immediate patching, tighter access controls, and rapid incident response—and provide an urgent call to action. This practical guide aims to help organizations strengthen their defenses against evolving
Qualys
Defense Lessons From the Black Basta Ransomware Playbook | Qualys
blogs_qualys·2025-02-25
Defense Lessons From the Black Basta Ransomware Playbook | Qualys
#### Table of Contents
- Know Your Enemys Playbook
- Attackers Move Fast
- How Qualys Can Help
The cybersecurity world was rocked last week by a massive leak of Black Basta’s internal communications that emerged from the group’s chat logs. Triggered by internal conflicts and a retaliatory data dump following attacks on Russian banks, the exposed records offer a rare glimpse into Black Basta’s tactics, operations, and leadership.
We’ve analyzed these newly unveiled tactics, and in this blog, we equip security teams with clear, actionable insights. We aim to highlight the key lessons learned—like immediate patching, tighter access controls, and rapid incident response—and provide an urgent call to action. This practical guide aims to help organizations strengthen their defenses against ev
Qualys
Qualys Announces TruRisk Eliminate to Augment Patching | Qualys
blogs_qualys·2024-07-30
Qualys Announces TruRisk Eliminate to Augment Patching | Qualys
#### Table of Contents
- When Patching is Not a Viable Option
- Introducing TruRisk Eliminate
- Qualys TruRisk Mitigate:
- Qualys TruRisk Isolate:
- How Does TruRisk Eliminate Work?
- Conclusion
About 5 years ago, we launched Qualys Patch Management to empower our customers to not just detect and prioritize vulnerabilities but also effectively remediate them. Since then, we have assisted our customers in addressing hundreds of millions of vulnerabilities, and since January 2024, we have deployed more than 100M patches, significantly enhancing the security of their environments
Now, we are leapfrogging forward and expanding our remediation capabilities to address vulnerabilities that do not have a patch or for which a patch cannot be deployed.
Our customers use Qualys Patch Management e
Qualys
Qualys Announces TruRisk Eliminate to Augment Patching
blogs_qualys·2024-07-30
Qualys Announces TruRisk Eliminate to Augment Patching
## Table of Contents
When Patching is Not a Viable Option
Introducing TruRisk Eliminate
Qualys TruRisk Mitigate:
Qualys TruRisk Isolate:
How Does TruRisk Eliminate Work?
Conclusion
About 5 years ago, we launched Qualys Patch Management to empower our customers to not just detect and prioritize vulnerabilities but also effectively remediate them. Since then, we have assisted our customers in addressing hundreds of millions of vulnerabilities, and since January 2024, we have deployed more than 100M patches, significantly enhancing the security of their environments
Now, we are leapfrogging forward and expanding our remediation capabilities to address vulnerabilities that do not have a patch or for which a patch cannot be deployed.
Our customers use Qualys Patch Management either as
Bleepingcomputer
CISA warns of actively exploited Linux privilege elevation flaw
blogs_bleepingcomputer·2024-05-31·CVSS 7.8
CVE-2024-1086 [HIGH] CISA warns of actively exploited Linux privilege elevation flaw
## CISA warns of actively exploited Linux privilege elevation flaw
## Bill Toulas
The vulnerability is caused because the 'nft_verdict_init()' function allows positive values to be used as a drop error within the hook verdict, causing the 'nf_hook_slow()' function to execute a double free when NF_DROP is issued with a drop error that resembles NF_ACCEPT.
Exploitation of CVE-2024-1086 allows an attacker with local access to achieve privilege escalation on the target system, potentially gaining root-level access.
The issue was fixed via a commit submitted in January 2024 , which rejects QUEUE/DROP verdict parameters, thus preventing exploitation.
The fix has been backported to multiple stable kernel versions as listed below:
v5.4.269 and later
v5.10.210 and later
v6.6.15 and later
v
Checkpoint
1st April – Threat Intelligence Report
blogs_checkpoint·2024-04-01
CVE-2023-48022 1st April – Threat Intelligence Report
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## 1st April – Threat Intelligence Report
For the latest discoveries in cyber research for the week of 1st April, please download our Threat_Intelligence Bulletin .
TOP ATTACKS AND BREACHES
The US and UK governments have announced a criminal indictment and sanctions against APT31, a group of Chinese hackers, for their role in allegedly conducting attacks against companies in the US, as well as government officials in the UK. Check Point has shared its insights on the event and referenced a past report about APT31,
Sentinelone
Black Basta
blogs_sentinelone·2022-11-30
Black Basta
How It Works The Singularity XDR Difference
Singularity Marketplace One-Click Integrations to Unlock the Power of XDR
Pricing & Packaging Comparisons and Guidance at a Glance
Purple AI Accelerate SecOps with Generative AI
Singularity Hyperautomation Easily Automate Security Processes
AI-SIEM The AI SIEM for the Autonomous SOC
Singularity Data Lake AI-Powered, Unified Data Lake
Singularity Data Lake for Log Analytics Seamlessly Ingest Data from On-Prem, Cloud or Hybrid Environments
Singularity Endpoint Autonomous Prevention, Detection, and Response
Singularity XDR Native & Open Protection, Detection, and Response
Singularity RemoteOps Forensics Orchestrate Forensics at Scale
Singularity
Threat Intelligence Comprehensive Adversary Intelligence
Singularity Vulnerability Management
Sentinelone
Black Basta
blogs_sentinelone
Black Basta
# Black Basta Ransomware: In-Depth Analysis, Detection, and Mitigation
## Summary of Black Basta Ransomware
Black Basta first emerged in early 2022. The ransomware family is an evolution of the Hermes/Ryuk/Conti families. Black Basta was heavily advertised in underground cybercrime markets. Black Basta practices double extortion – demanding payment for a decryptor, as well as for the non-release of stolen data. There are Windows and LInux variants of Black Basta ransomware. The group is responsible for hundreds of attacks against global targets of varying sectors.
February 2025 Update: Nearly a year’s worth of Black Basta chat logs have been released on Telegram, providing detailed insight into the groups operational workflow, reconnaissance activities, and specific userID and details o
Crowdstrike
Active Exploitation Observed for Linux Kernel Privilege Escalation Vulnerability (CVE-2024-1086)
blogs_crowdstrike·CVSS 7.8
CVE-2026-20929 [HIGH] Active Exploitation Observed for Linux Kernel Privilege Escalation Vulnerability (CVE-2024-1086)
STARDUST CHOLLIMA Likely Compromises Axios npm Package Apr 01, 2026
Falcon for IT Supports Windows Secure Boot Certificate Lifecycle Management Apr 01, 2026
Detecting CVE-2026-20929: Kerberos Authentication Relay via CNAME Abuse Mar 31, 2026
How Charlotte AI AgentWorks Fuels Security's Agentic Ecosystem Mar 25, 2026
STARDUST CHOLLIMA Likely Compromises Axios npm Package Apr 01, 2026
Falcon for IT Supports Windows Secure Boot Certificate Lifecycle Management Apr 01, 2026
Detecting CVE-2026-20929: Kerberos Authentication Relay via CNAME Abuse Mar 31, 2026
How Charlotte AI AgentWorks Fuels Security's Agentic Ecosystem Mar 25, 2026
Video Highlights the 4 Key Steps to Successful Incident Response Dec 02, 2019
Helping Non-Security Stakeholders Understand ATT&CK in 10 Minutes or Less [VI
Bugzilla
CVE-2024-1086 kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function
bugzilla·2024-01-31·CVSS 7.8
CVE-2024-1086 [HIGH] CVE-2024-1086 kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function
CVE-2024-1086 kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when NF_DROP is issued with a drop error which resembles NF_ACCEPT.
We recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f342de4e2f33e0e39165d8639387aa6c19dff660
https://kernel.dance/f342de4e2f33e0e39165d8639387aa6c19dff660
Discussion:
Created kernel tracking bugs for this issue:
Aff
CTF
FullPwn / Survivor
ctf_writeups·2024·CVSS 9.8
CVE-2023-33831 [CRITICAL] FullPwn / Survivor
### Challenge Description
## Enumeration
A static looking page is shown but a link in an article hides the way forward:
It redirects us to a subdomain that we didn't find by fuzzing:
A quick google search showed that it has an RCE vulnerability:
## Foothold
We download and run the [exploit](https://github.com/rodolfomarianocy/Unauthenticated-RCE-FUXA-CVE-2023-33831):
`python3 fuxaexploit.py --rhost fuxa.survivor.htb --rport 80 --lhost 10.10.14.34 --lport 3001`
Sure enough, we get a foothold and the user flag:
`HTB{FuXa_ExPloIT_4_RC3}`
## Privesc
After a bit of manual enumeration, linpeas scanning and pspy observations, I didn't see anything sticking out to me as an obvious privilege escalation vector. When that happens, I usually look for kernel exploits and remembered that
http://www.openwall.com/lists/oss-security/2024/04/10/22http://www.openwall.com/lists/oss-security/2024/04/10/23http://www.openwall.com/lists/oss-security/2024/04/14/1http://www.openwall.com/lists/oss-security/2024/04/15/2http://www.openwall.com/lists/oss-security/2024/04/17/5https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f342de4e2f33e0e39165d8639387aa6c19dff660https://github.com/Notselwyn/CVE-2024-1086https://kernel.dance/f342de4e2f33e0e39165d8639387aa6c19dff660https://lists.debian.org/debian-lts-announce/2024/06/msg00016.htmlhttps://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlhttps://lists.fedoraproject.org/archives/list/[email protected]/message/7LSPIOMIJYTLZB6QKPQVVAYSUETUWKPF/https://news.ycombinator.com/item?id=39828424https://pwning.tech/nftables/https://security.netapp.com/advisory/ntap-20240614-0009/http://www.openwall.com/lists/oss-security/2024/04/10/22http://www.openwall.com/lists/oss-security/2024/04/10/23http://www.openwall.com/lists/oss-security/2024/04/14/1http://www.openwall.com/lists/oss-security/2024/04/15/2http://www.openwall.com/lists/oss-security/2024/04/17/5https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f342de4e2f33e0e39165d8639387aa6c19dff660https://github.com/Notselwyn/CVE-2024-1086https://kernel.dance/f342de4e2f33e0e39165d8639387aa6c19dff660https://lists.debian.org/debian-lts-announce/2024/06/msg00016.htmlhttps://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlhttps://lists.fedoraproject.org/archives/list/[email protected]/message/7LSPIOMIJYTLZB6QKPQVVAYSUETUWKPF/https://news.ycombinator.com/item?id=39828424https://pwning.tech/nftables/https://security.netapp.com/advisory/ntap-20240614-0009/https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-1086
2024-01-31
Published
2024-05-30
Added to CISA KEV
Exploited in the wild