CVE-2023-20588
published 2023-08-08CVE-2023-20588: A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
PriorityP431medium5.5CVSS 3.1
AVLACLPRLUINSUCHINAN
EPSS
11.15%
95.9th percentile
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
Affected
54 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| amd | athlon_3000_series_processors_with_radeon_graphics | — | — |
| amd | athlon_pro_3000_series_processors_with_radeon_vega_graphics | — | — |
| amd | epyc_7001_processors | — | — |
| amd | ryzen_3000_series_processors_with_radeon_graphics | — | — |
| amd | ryzen_pro_3000_series_processors_with_radeon_vega_graphics | — | — |
| citrix | citrix_hypervisor | — | — |
| citrix | xenserver | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | linux | < linux 6.1.52-1 (bookworm) | linux 6.1.52-1 (bookworm) |
| debian | xen | < linux 6.1.52-1 (bookworm) | linux 6.1.52-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| linux | linux_kernel | >= 0 < 5.10.197-1 | 5.10.197-1 |
| linux | linux_kernel | >= 0 < 6.1.52-1 | 6.1.52-1 |
| linux | linux_kernel | >= 0 < 6.4.13-1 | 6.4.13-1 |
| linux | linux_kernel | >= 0 < 6.4.13-1 | 6.4.13-1 |
| linux | linux_kernel | >= 0 < 5.4.0-163.180 | 5.4.0-163.180 |
| linux | linux_kernel | >= 0 < 5.15.0-84.93 | 5.15.0-84.93 |
| linux | linux_kernel | >= 0 < 4.4.0-250.284 | 4.4.0-250.284 |
| linux | linux_kernel | >= 0 < 4.15.0-221.232 | 4.15.0-221.232 |
| microsoft | windows_10_1507 | < 10.0.10240.20345 | 10.0.10240.20345 |
| microsoft | windows_10_1607 | < 10.0.14393.6529 | 10.0.14393.6529 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
osv7.0HIGH
vendor_ubuntu7.0HIGH
vendor_debian5.5MEDIUM
vendor_msrc5.5HIGH
vendor_redhat5.5MEDIUM
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device to cause a denial of service (system crash). (CVE-2023-1079)
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
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performing operations with kernel objects, leading to an out-of-bounds
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Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that a race condition existed in the Linux kernel when
performing operations with kernel objects, leading to an out-of-bounds
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It was discovered that the ASUS HID driver in the Linux kernel did not
properly handle device removal, leading to a use-after-free vulnerability.
A local attacker with physical access could plug in a specially crafted USB
device to cause a denial of service (system crash). (CVE-2023-1079)
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that a race condition existed in the Linux kernel when
performing operations with kernel objects,
OSV
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Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that a race condition existed in the Linux kernel when
performing operations with kernel objects, leading to an out-of-bounds
write. A local attacker could use this to cause a denial of service (system
crash) or execute arbitrary code. (CVE-2023-45863)
OSV
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osv·2023-10-31·CVSS 7.0
CVE-2022-45886 [HIGH] linux-nvidia-6.2 vulnerabilities
linux-nvidia-6.2 vulnerabilities
Hyunwoo Kim discovered that the DVB Core driver in the Linux kernel
contained a race condition during device removal, leading to a use-after-
free vulnerability. A physically proximate attacker could use this to cause
a denial of service (system crash) or possibly execute arbitrary code.
(CVE-2022-45886, CVE-2022-45919)
Hyunwoo Kim discovered that the Technotrend/Hauppauge USB DEC driver in the
Linux kernel did not properly handle device removal events. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2022-45887)
It was discovered that the NTFS file system implementation in the Linux
kernel did not properly validate MFT flags in certain situations. An
attacker could use this to construct a malicious NTFS im
OSV
linux-intel-iotg, linux-intel-iotg-5.15, linux-oracle, linux-oracle-5.15 vulnerabilities
osv·2023-10-03·CVSS 5.5
CVE-2023-20588 [MEDIUM] linux-intel-iotg, linux-intel-iotg-5.15, linux-oracle, linux-oracle-5.15 vulnerabilities
linux-intel-iotg, linux-intel-iotg-5.15, linux-oracle, linux-oracle-5.15 vulnerabilities
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that the bluetooth subsystem in the Linux kernel did not
properly handle L2CAP socket release, 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-2023-40283)
It was discovered that some network classifier implementations in the Linux
kernel contained use-after-free vulnerabilities. A local attacker c
OSV
linux-raspi vulnerabilities
osv·2023-09-29·CVSS 5.5
CVE-2023-20588 [MEDIUM] linux-raspi vulnerabilities
linux-raspi vulnerabilities
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that the bluetooth subsystem in the Linux kernel did not
properly handle L2CAP socket release, 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-2023-40283)
It was discovered that some network classifier implementations in the Linux
kernel contained use-after-free vulnerabilities. A local attacker could use
this to cause a denial of service (system crash) or
OSV
linux-bluefield, linux-raspi, linux-raspi-5.4 vulnerabilities
osv·2023-09-26·CVSS 5.5
CVE-2023-20588 [MEDIUM] linux-bluefield, linux-raspi, linux-raspi-5.4 vulnerabilities
linux-bluefield, linux-raspi, linux-raspi-5.4 vulnerabilities
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that the bluetooth subsystem in the Linux kernel did not
properly handle L2CAP socket release, 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-2023-40283)
It was discovered that some network classifier implementations in the Linux
kernel contained use-after-free vulnerabilities. A local attacker could use
this to cause a de
OSV
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4, lin
osv·2023-09-19·CVSS 5.5
[MEDIUM] linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4, lin
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Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that the bluetooth subsystem in the Linux kernel did not
properly handle L2CAP socket release, 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-2023-40283)
OSV
linux-oem-6.1 vulnerabilities
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CVE-2023-20588 [MEDIUM] linux-oem-6.1 vulnerabilities
linux-oem-6.1 vulnerabilities
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
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use this to expose sensitive information. (CVE-2023-20588)
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OSV
linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-hwe-5.15, linux-ibm,
osv·2023-09-19·CVSS 5.5
[MEDIUM] linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-hwe-5.15, linux-ibm,
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Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that the bluetooth subsystem in the Linux kernel did not
properly handle L2CAP socket release, leading to a use-after-free
vulnerability. A local attacker could use this to cause a denial of service
OSV
linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2, linux-hwe-6.2, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-ora
osv·2023-09-19·CVSS 5.5
[MEDIUM] linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2, linux-hwe-6.2, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-ora
linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2, linux-hwe-6.2, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-oracle, linux-raspi, linux-starfive vulnerabilities
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that the ARM64 KVM implementation in the Linux kernel did
not properly restrict hypervisor memory access. An attacker in a guest VM
could use this to execute arbitrary code in the host OS. (CVE-2023-21264)
It was discovered that the bluetooth subsyst
OSV
CVE-2023-20588: A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality
osv·2023-08-08·CVSS 5.5
CVE-2023-20588 [MEDIUM] CVE-2023-20588: A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
GHSA
GHSA-6h77-2hc9-qm3w: A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality
ghsa_unreviewed·2023-08-08
CVE-2023-20588 [MEDIUM] CWE-369 GHSA-6h77-2hc9-qm3w: A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
Ubuntu
Linux kernel (Azure) vulnerabilities
vendor_ubuntu·2024-01-29·CVSS 6.8
CVE-2023-20588 [MEDIUM] Linux kernel (Azure) vulnerabilities
Title: Linux kernel (Azure) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the ASUS HID driver in the Linux kernel did not
properly handle device removal, leading to a use-after-free vulnerability.
A local attacker with physical access could plug in a specially crafted USB
device to cause a denial of service (system crash). (CVE-2023-1079)
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that a race condition existed in the Linux kernel when
performing operations with kernel objects, l
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2024-01-25·CVSS 6.8
CVE-2023-20588 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the ASUS HID driver in the Linux kernel did not
properly handle device removal, leading to a use-after-free vulnerability.
A local attacker with physical access could plug in a specially crafted USB
device to cause a denial of service (system crash). (CVE-2023-1079)
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that a race condition existed in the Linux kernel when
performing operations with kernel objects, leading t
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2024-01-25·CVSS 5.5
CVE-2023-20588 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that a race condition existed in the Linux kernel when
performing operations with kernel objects, leading to an out-of-bounds
write. A local attacker could use this to cause a denial of service (system
crash) or execute arbitrary code. (CVE-2023-45863)
It was discovered that the CIFS network file system implementation in the
Linux kernel did not properly validate the server frame size in certai
Ubuntu
Linux kernel (AWS) vulnerabilities
vendor_ubuntu·2024-01-10·CVSS 5.5
CVE-2023-45863 [MEDIUM] Linux kernel (AWS) vulnerabilities
Title: Linux kernel (AWS) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that a race condition existed in the Linux kernel when
performing operations with kernel objects, leading to an out-of-bounds
write. A local attacker could use this to cause a denial of service (system
crash) or execute arbitrary code. (CVE-2023-45863)
Instructions: After a standard system update you need to reboot your computer to make
all the necessary changes.
ATTENTION: Due to an una
Microsoft
AMD: CVE-2023-20588 AMD Speculative Leaks Security Notice
vendor_msrc·2023-12-12·CVSS 5.5
CVE-2023-20588 [MEDIUM] AMD: CVE-2023-20588 AMD Speculative Leaks Security Notice
AMD: CVE-2023-20588 AMD Speculative Leaks Security Notice
FAQ: Why is this AMD CVE included in the Security Update Guide?
The vulnerability assigned to this CVE is in certain processor models offered by AMD. The mitigation for this vulnerability requires a Windows update. This CVE is being documented in the Security Update Guide to announce that the latest builds of Windows enable the mitigation and provide protection against the vulnerability.
Please see the following for more information:
AMD-SB-7007
Chipsets: Chipsets
AMD: AMD
Customer Action Required: Yes
Impact: Information Disclosure
Exploit Status: Publicly Disclosed:Yes;Exploited:No;Latest Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5033371
Refe
Ubuntu
Linux kernel (NVIDIA) vulnerabilities
vendor_ubuntu·2023-10-31·CVSS 7.0
CVE-2023-3772 [HIGH] Linux kernel (NVIDIA) vulnerabilities
Title: Linux kernel (NVIDIA) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Hyunwoo Kim discovered that the DVB Core driver in the Linux kernel
contained a race condition during device removal, leading to a use-after-
free vulnerability. A physically proximate attacker could use this to cause
a denial of service (system crash) or possibly execute arbitrary code.
(CVE-2022-45886, CVE-2022-45919)
Hyunwoo Kim discovered that the Technotrend/Hauppauge USB DEC driver in the
Linux kernel did not properly handle device removal events. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2022-45887)
It was discovered that the NTFS file system implementation in the Linux
kernel did not properly validate MFT flags in c
Citrix
Citrix Hypervisor Multiple Security Updates
vendor_citrix·2023-10-10·CVSS 7.8
CVE-2022-1304 [HIGH] Citrix Hypervisor Multiple Security Updates
Citrix Hypervisor Multiple Security Updates
of Problem Several issues have been discovered that affect Citrix Hypervisor 8.2 CU1 LTSR and may allow malicious privileged code in a guest VM to: i) Compromise an AMD-based host via a passed through PCI device: CVE-2023-34326 ii) Compromise the host when a specific administrative action is taken (see
CVE References: CVE-2022-1304, CVE-2023-20588, CVE-2023-34324, CVE-2023-34326, CVE-2023-34327
Affected Products: Citrix Hypervisor, XenServer
Severity: High
Remediation:
We have released hotfixes to address these issues. We recommend that affected customers install these hotfixes and follow the instructions in the linked articles as their update schedule permits. The hotfixes can be downloaded from the following locations: CTX575070 - https://su
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2023-10-03·CVSS 5.5
CVE-2023-4128 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that the bluetooth subsystem in the Linux kernel did not
properly handle L2CAP socket release, 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-2023-40283)
It was discovered that some network classifier implementations in the Linux
kernel contained use-after-free vulnerabilities. A loc
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities
vendor_ubuntu·2023-09-29·CVSS 5.5
CVE-2023-4128 [MEDIUM] Linux kernel (Raspberry Pi) vulnerabilities
Title: Linux kernel (Raspberry Pi) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that the bluetooth subsystem in the Linux kernel did not
properly handle L2CAP socket release, 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-2023-40283)
It was discovered that some network classifier implementations in the Linux
kernel contained use-after-free vulnera
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2023-09-26·CVSS 5.5
CVE-2023-4128 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that the bluetooth subsystem in the Linux kernel did not
properly handle L2CAP socket release, 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-2023-40283)
It was discovered that some network classifier implementations in the Linux
kernel contained use-after-free vulnerabilities. A loc
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2023-09-19·CVSS 5.5
CVE-2023-4569 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that the bluetooth subsystem in the Linux kernel did not
properly handle L2CAP socket release, 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-2023-40283)
It was discovered that some network classifier implementations in the Linux
kernel contained use-after-free vulnerabilities. A loc
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2023-09-19·CVSS 5.5
CVE-2023-40283 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
It was discovered that the ARM64 KVM implementation in the Linux kernel did
not properly restrict hypervisor memory access. An attacker in a guest VM
could use this to execute arbitrary code in the host OS. (CVE-2023-21264)
It was discovered that the bluetooth subsystem in the Linux kernel did not
properly handle L2CAP socket release, leading to a use-after-free
vulnerability. A local attacker could use this to
Ubuntu
Linux kernel (OEM) vulnerabilities
vendor_ubuntu·2023-09-19·CVSS 5.5
CVE-2023-20588 [MEDIUM] Linux kernel (OEM) vulnerabilities
Title: Linux kernel (OEM) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)
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)
Instructions: After a standard system update you need to reboot your computer to make
all the necessary changes.
ATTENTION: Due to an unavoidable ABI change the kernel
Red Hat
hw: amd: division-by-zero may resulting in loss of confidentiality
vendor_redhat·2023-08-08·CVSS 5.5
CVE-2023-20588 [MEDIUM] CWE-369 hw: amd: division-by-zero may resulting in loss of confidentiality
hw: amd: division-by-zero may resulting in loss of confidentiality
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
A division-by-zero error was found in hw on some AMD processors. This flaw can potentially return speculative data, resulting in loss of confidentiality.
Mitigation: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel (R
Debian
CVE-2023-20588: linux - A division-by-zero error on some AMD processors can potentially return speculati...
vendor_debian·2023·CVSS 5.5
CVE-2023-20588 [MEDIUM] CVE-2023-20588: linux - A division-by-zero error on some AMD processors can potentially return speculati...
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
Scope: local
bookworm: resolved (fixed in 6.1.52-1)
bullseye: resolved (fixed in 5.10.197-1)
forky: resolved (fixed in 6.4.13-1)
sid: resolved (fixed in 6.4.13-1)
trixie: resolved (fixed in 6.4.13-1)
No detection rules found.
No public exploits indexed.
Checkpoint
18th December – Threat Intelligence Report
blogs_checkpoint·2023-12-18
CVE-2023-36019 18th December – Threat Intelligence Report
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## 18th December – Threat Intelligence Report
For the latest discoveries in cyber research for the week of 18th December, please download our Threat_Intelligence Bulletin .
TOP ATTACKS AND BREACHES
Ukraine’s largest mobile operator, Kyivstar, was hit by “largest cyber-attack on telecom infrastructure in the world”, rendering millions without mobile and internet services for at least 48 hours. Reportedly, the attack also affected air raid sirens, ATMs, and point-of-sale terminals. Russia-affiliated group Solntsepek
Trendmicro
The December 2023 Security Update Review
blogs_trendmicro·2023-12-12
The December 2023 Security Update Review
# The December 2023 Security Update Review
Get the December 2023 security update and review.
By: Zero Day Initiative
2023/12/12
Read time: ( words)
Save to Folio
It’s the final patch Tuesday of 2023, and Apple, Adobe, and Microsoft have released their latest security offerings. Take a break from your holiday hustle and join us as we review the details of their latest advisories. If you’d rather watch the video recap, you can check it out here:
Apple Patches for December 2023
Apple kicked off the December release cycle with patches for iOS and iPadOS with eight CVEs. Two of these CVEs in Webkit are reported as being under active attack on iOS versions 16.7.1 and older. If you’re using an older iPhone or iPad, you should definitely update your device immediately. If you’re using a dev
Tenable
Microsoft’s December 2023 Patch Tuesday Addresses 33 CVEs (CVE-2023-36019)
blogs_tenable·2023-12-12·CVSS 9.6
[CRITICAL] Microsoft’s December 2023 Patch Tuesday Addresses 33 CVEs (CVE-2023-36019)
## Cloud Exposure
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Qualys
Microsoft and Adobe Patch Tuesday, December 2023 Security Update Review
blogs_qualys·2023-12-12
Microsoft and Adobe Patch Tuesday, December 2023 Security Update Review
## Table of Contents
Microsoft Patch Tuesday for December 2023
Adobe Patches for December 2023
Zero-day Vulnerability Patched in December Patch Tuesday Edition
Other Critical Severity Vulnerabilities Patched in December Patch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Discover and Prioritize Vulnerabilities in Vulnerability Management, Detection & Response (VMDR)
Rapid Response with Patch Management (PM)
Qualys Monthly Webinar Series
Microsoft has wrapped up the year with fewer security updates released in its Patch Tuesday, December 2023 edition. We invite you to join us to review and discuss the details of these security updates and patches.
## Microsoft Patch Tuesday for December 2023
In this month’s Patch Tuesday edition, Microsoft ha
Qualys
Qualys Review: Microsoft and Adobe December Security Patches | Qualys
blogs_qualys·2023-12-12
Qualys Review: Microsoft and Adobe December Security Patches | Qualys
#### Table of Contents
- Microsoft Patch Tuesday for December 2023
- Adobe Patches for December 2023
- Zero-day Vulnerability Patched in December Patch Tuesday Edition
- Other Critical Severity Vulnerabilities Patched in December Patch Tuesday Edition
- Other Microsoft Vulnerability Highlights
- Microsoft Release Summary
- Discover and Prioritize Vulnerabilities in Vulnerability Management, Detection & Response (VMDR)
- Rapid Response with Patch Management (PM)
- Qualys Monthly Webinar Series
Microsoft has wrapped up the year with fewer security updates released in its Patch Tuesday, December 2023 edition. We invite you to join us to review and discuss the details of these security updates and patches.
## Microsoft Patch Tuesday for December 2023
In this month’s Patch Tuesday edition,
Bleepingcomputer
Microsoft December 2023 Patch Tuesday fixes 34 flaws, 1 zero-day
blogs_bleepingcomputer·2023-12-12·CVSS 5.5
[MEDIUM] Microsoft December 2023 Patch Tuesday fixes 34 flaws, 1 zero-day
## Microsoft December 2023 Patch Tuesday fixes 34 flaws, 1 zero-day
## Lawrence Abrams
10 Elevation of Privilege Vulnerabilities
8 Remote Code Execution Vulnerabilities
6 Information Disclosure Vulnerabilities
5 Denial of Service Vulnerabilities
5 Spoofing Vulnerabilities
The total count of 34 flaws does not include 8 Microsoft Edge flaws fixed on December 7th.
To learn more about the non-security updates released today, you can review our dedicated articles on the new Windows 11 KB5033375 cumulative update and Windows 10 KB5033372 cumulative update .
## One publicly disclosed zero-day fixed
This month's Patch Tuesday fixes one AMD zero-day vulnerability disclosed in August that previously remained unpatched.
The ' CVE-2023-20588 - AMD: CVE-2023-20588 AMD Speculative Leaks ' vul
Crowdstrike
December 2023 Patch Tuesday: Updates and Analysis
blogs_crowdstrike·CVSS 7.5
CVE-2026-20929 [HIGH] December 2023 Patch Tuesday: Updates and Analysis
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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
http://www.openwall.com/lists/oss-security/2023/09/25/3http://www.openwall.com/lists/oss-security/2023/09/25/4http://www.openwall.com/lists/oss-security/2023/09/25/5http://www.openwall.com/lists/oss-security/2023/09/25/7http://www.openwall.com/lists/oss-security/2023/09/25/8http://www.openwall.com/lists/oss-security/2023/09/26/5http://www.openwall.com/lists/oss-security/2023/09/26/8http://www.openwall.com/lists/oss-security/2023/09/26/9http://www.openwall.com/lists/oss-security/2023/09/27/1http://www.openwall.com/lists/oss-security/2023/10/03/12http://www.openwall.com/lists/oss-security/2023/10/03/13http://www.openwall.com/lists/oss-security/2023/10/03/14http://www.openwall.com/lists/oss-security/2023/10/03/15http://www.openwall.com/lists/oss-security/2023/10/03/16http://www.openwall.com/lists/oss-security/2023/10/03/9http://www.openwall.com/lists/oss-security/2023/10/04/1http://www.openwall.com/lists/oss-security/2023/10/04/2http://www.openwall.com/lists/oss-security/2023/10/04/3http://www.openwall.com/lists/oss-security/2023/10/04/4http://xenbits.xen.org/xsa/advisory-439.htmlhttps://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlhttps://lists.fedoraproject.org/archives/list/[email protected]/message/AGZCACEHT6ZZZGG36QQMGROBM4FLWYJX/https://lists.fedoraproject.org/archives/list/[email protected]/message/DIOYP4ZOBML4RCUM3MHRFZUQL445MZM3/https://lists.fedoraproject.org/archives/list/[email protected]/message/KJTUVYZMP6BNF342DS3W7XGOGXC6JPN5/https://security.netapp.com/advisory/ntap-20240531-0005/https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7007https://www.debian.org/security/2023/dsa-5480https://www.debian.org/security/2023/dsa-5492http://www.openwall.com/lists/oss-security/2023/09/25/3http://www.openwall.com/lists/oss-security/2023/09/25/4http://www.openwall.com/lists/oss-security/2023/09/25/5http://www.openwall.com/lists/oss-security/2023/09/25/7http://www.openwall.com/lists/oss-security/2023/09/25/8http://www.openwall.com/lists/oss-security/2023/09/26/5http://www.openwall.com/lists/oss-security/2023/09/26/8http://www.openwall.com/lists/oss-security/2023/09/26/9http://www.openwall.com/lists/oss-security/2023/09/27/1http://www.openwall.com/lists/oss-security/2023/10/03/12http://www.openwall.com/lists/oss-security/2023/10/03/13http://www.openwall.com/lists/oss-security/2023/10/03/14http://www.openwall.com/lists/oss-security/2023/10/03/15http://www.openwall.com/lists/oss-security/2023/10/03/16http://www.openwall.com/lists/oss-security/2023/10/03/9http://www.openwall.com/lists/oss-security/2023/10/04/1http://www.openwall.com/lists/oss-security/2023/10/04/2http://www.openwall.com/lists/oss-security/2023/10/04/3http://www.openwall.com/lists/oss-security/2023/10/04/4http://xenbits.xen.org/xsa/advisory-439.htmlhttps://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlhttps://lists.fedoraproject.org/archives/list/[email protected]/message/AGZCACEHT6ZZZGG36QQMGROBM4FLWYJX/https://lists.fedoraproject.org/archives/list/[email protected]/message/DIOYP4ZOBML4RCUM3MHRFZUQL445MZM3/https://lists.fedoraproject.org/archives/list/[email protected]/message/KJTUVYZMP6BNF342DS3W7XGOGXC6JPN5/https://security.netapp.com/advisory/ntap-20240531-0005/https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7007https://www.debian.org/security/2023/dsa-5480https://www.debian.org/security/2023/dsa-5492
2023-08-08
Published