CVE-2023-4569

medium

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

https://www.debian.org/security/2023/dsa-5492

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

https://bugzilla.redhat.com/show_bug.cgi?id=2235470

https://access.redhat.com/security/cve/CVE-2023-4569

Details

Source: Mitre, NVD

Published: 2023-08-28

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium