CVE-2022-1966

Public on 2022-06-06
Modified on 2024-03-01
Description
A use-after-free vulnerability was found in the Linux kernel's Netfilter subsystem in net/netfilter/nf_tables_api.c. This flaw allows a local attacker with user access to cause a privilege escalation issue.
Severity
Important severity
Important
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel 2022-06-30 ALAS-2022-1604 Fixed
Amazon Linux 2 - Core kernel 2022-07-06 ALAS2-2022-1813 Fixed
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-06-30 ALAS2KERNEL-5.10-2022-015 Fixed
Amazon Linux 2 - Kernel-5.15 Extra kernel 2022-06-30 ALAS2KERNEL-5.15-2022-002 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-06-30 ALAS2KERNEL-5.4-2022-028 Fixed
Amazon Linux 2023 kernel 2023-02-17 ALAS2023-2023-070 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.109-104.500 2022-06-30 ALAS2LIVEPATCH-2022-079 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.109-104.500 2022-07-11 ALAS2LIVEPATCH-2022-082 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.109-104.500 2022-07-19 ALAS2LIVEPATCH-2022-085 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.112-108.499 2022-06-30 ALAS2LIVEPATCH-2022-078 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.112-108.499 2022-07-11 ALAS2LIVEPATCH-2022-081 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.112-108.499 2022-07-19 ALAS2LIVEPATCH-2022-084 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.118-111.515 2022-06-30 ALAS2LIVEPATCH-2022-080 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.118-111.515 2022-07-11 ALAS2LIVEPATCH-2022-083 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.118-111.515 2022-07-19 ALAS2LIVEPATCH-2022-086 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