CVEvulnerability

CVE-2023-31248

7.8 HIGH Published 2023-07-05 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-07-05
Last modified
2026-06-17
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

Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace

Affected configurations

• linux linux kernel (>= 5.9 < 5.10.188) • linux linux kernel (>= 5.11 < 5.15.121) • linux linux kernel (>= 5.16 < 6.1.39) • linux linux kernel (>= 6.2 < 6.4.4) • fedoraproject fedora 37 • fedoraproject fedora 38 • debian debian linux 11.0 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • canonical ubuntu linux 20.04 • canonical ubuntu linux 22.04

Related

Weakness · CWE (1)

References