CVE-2023-4569

MEDIUM

Linux Kernel - Memory Corruption

Title source: llm

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.

References (4)

[Third Party Advisory] https://access.redhat.com/security/cve/CVE-2023-4569

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=2235470

[Mailing List, Patch] https://patchwork.ozlabs.org/project/netfilter-devel/patch/[email protected]/

[Third Party Advisory] https://www.debian.org/security/2023/dsa-5492

Scores

CVSS v3 5.5

EPSS 0.0001

EPSS Percentile 1.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

CWE

CWE-401 CWE-402

Status published

Affected Products (10)

linux/linux_kernel < 6.5

linux/linux_kernel

redhat/enterprise_linux

debian/debian_linux

Timeline

Published Aug 28, 2023

Tracked Since Feb 18, 2026