CVE-2023-4569Resource Leak in Kernel

Severity
5.5MEDIUMNVD
EPSS
0.0%
top 98.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedAug 28
Latest updateApr 30

Description

A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

NVDlinux/linux_kernel< 6.5+1
Debianlinux/linux_kernel< 6.1.52-1+2
Ubuntulinux/linux_kernel< 5.4.0-176.196+1

Also affects: Debian Linux 12.0, Enterprise Linux 8.0, 9.0

Patches

🔴Vulnerability Details

5
OSV
Kernel Live Patch Security Notice2024-04-30
OSV
linux-oem-6.1 vulnerabilities2023-09-19
GHSA
GHSA-2hgr-q34g-9rrw: A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api2023-08-29
OSV
CVE-2023-4569: A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api2023-08-28
CVEList
Kernel: information leak in nft_set_catchall_flush in net/netfilter/nf_tables_api.c2023-08-28

📋Vendor Advisories

12
Ubuntu
Kernel Live Patch Security Notice2024-04-30
Ubuntu
Kernel Live Patch Security Notice2024-04-03
Ubuntu
Linux kernel (NVIDIA) vulnerabilities2023-10-31
Ubuntu
Linux kernel vulnerabilities2023-10-03
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2023-09-29
CVE-2023-4569 — Resource Leak in Linux Kernel | cvebase