CVE-2023-3212

Public on 2023-06-14
Modified on 2024-01-11
Description
A flaw in the Linux Kernel found in the GFS2 file system. On corrupted gfs2 file systems the evict code can try to reference the journal descriptor structure, jdesc, after it has been freed and set to NULL. It can lead to null pointer dereference when gfs2_trans_begin being called and then fail ingfs2_evict_inode().
Severity
Medium severity
Medium
CVSS v3 Base Score
6.7
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel Not Affected
Amazon Linux 2 - Core kernel 2023-09-27 ALAS2-2023-2268 Fixed
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-06-21 ALAS2KERNEL-5.10-2023-034 Fixed
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-06-21 ALAS2KERNEL-5.15-2023-021 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-08-17 ALAS2KERNEL-5.4-2023-051 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-09-27 ALAS2KERNEL-5.4-2023-054 Fixed
Amazon Linux 2023 kernel Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H