CVE-2023-4004

Public on 2023-07-31
Modified on 2024-01-12
Description
A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.
Severity
Important severity
Important
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel Not Affected
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-08-31 ALAS2KERNEL-5.10-2023-039 Fixed
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-08-31 ALAS2KERNEL-5.15-2023-026 Fixed
Amazon Linux 2023 kernel 2023-08-31 ALAS2023-2023-330 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.186-179.751 2023-10-31 ALAS2LIVEPATCH-2023-155 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H