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
See what this means
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2022-12-01 17:33 ALAS-2022-1645
Amazon Linux 2 - Core kernel 2022-10-31 19:40 ALAS2-2022-1876
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-10-31 21:49 ALAS2KERNEL-5.10-2022-022
Amazon Linux 2 - Kernel-5.15 Extra kernel 2022-10-17 22:06 ALAS2KERNEL-5.15-2022-009
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-10-31 21:49 ALAS2KERNEL-5.4-2022-038

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

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