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 severity
Medium
CVSS v3 Base Score
4.7
See breakdown

Affected Packages

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

CVSS Scores

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