CVEvulnerability

CVE-2023-6817

7.8 HIGH Published 2023-12-18 Modified 2026-10-14 Official page ↗
Status
Modified
Published
2023-12-18
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-416

Description

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet Policies) elements, leading to use-after-free. We recommend upgrading past commit 317eb9685095678f2c9f5a8189de698c5354316a.

Affected configurations

• linux linux kernel (>= 5.6 < 5.10.204) • linux linux kernel (>= 5.11 < 5.15.143) • linux linux kernel (>= 5.16 < 6.1.68) • linux linux kernel (>= 6.2 < 6.6.7) • linux linux kernel 6.7

Related

Weakness · CWE (1)

References