CVE-2023-4569

MEDIUM

Linux Kernel - Memory Leak in nft_set_catchall_flush

Title source: llm
STIX 2.1

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)

Core 4
Core References
Third Party Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-4569
Issue Tracking, Patch, Third Party Advisory issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2235470

Scores

CVSS v3 5.5
EPSS 0.0001
EPSS Percentile 2.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-401 CWE-402
Status published
Products (5)
debian/debian_linux 12.0
linux/linux_kernel 6.5 rc1 (6 CPE variants)
linux/linux_kernel < 6.5
redhat/enterprise_linux 8.0
redhat/enterprise_linux 9.0
Published Aug 28, 2023
Tracked Since Feb 18, 2026