CVE-2022-2978

Public on 2022-08-24
Modified on 2024-03-01
Description
A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel 2022-12-06 ALAS-2022-1645 Fixed
Amazon Linux 2 - Core kernel 2022-11-08 ALAS2-2022-1876 Fixed
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-11-09 ALAS2KERNEL-5.10-2022-022 Fixed
Amazon Linux 2 - Kernel-5.15 Extra kernel 2022-10-24 ALAS2KERNEL-5.15-2022-009 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-11-09 ALAS2KERNEL-5.4-2022-038 Fixed
Amazon Linux 2023 kernel Not Affected

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

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2022-2978 Mitre: CVE-2022-2978