CVE-2022-41222

Public on 2022-09-21

Modified on 2023-01-27

Description

mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.

Severity

Medium

See what this means

CVSS v3 Base Score

4.7

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory
Amazon Linux 2 - Kernel-5.10 Extra	kernel	2022-09-30 07:10	ALAS2KERNEL-5.10-2022-020
Amazon Linux 2 - Kernel-5.4 Extra	kernel	2022-09-30 07:10	ALAS2KERNEL-5.4-2022-036

	Score Type	Score	Vector
Amazon Linux	CVSSv3	4.7	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	CVSSv3	7.0	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H