CVE-2022-2663

Public on 2022-09-01
Modified on 2024-08-28
Description
An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc configured.
Severity
Medium severity
Medium
CVSS v3 Base Score
5.9
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel 2022-09-30 ALAS-2022-1636 Fixed
Amazon Linux 2 - Core kernel 2022-09-30 ALAS2-2022-1852 Fixed
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-09-30 ALAS2KERNEL-5.10-2022-020 Fixed
Amazon Linux 2 - Kernel-5.15 Extra kernel 2022-09-30 ALAS2KERNEL-5.15-2022-008 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-09-30 ALAS2KERNEL-5.4-2022-036 Fixed
Amazon Linux 2023 kernel 2023-02-17 ALAS2023-2023-070 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD CVSSv3 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N