CVE-2021-3732

Public on 2021-09-08
Modified on 2021-10-04
Description
A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.
Severity
Medium
CVSS v3 Base Score
3.3
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 kernel 2021-09-08 23:35 ALAS2-2021-1704
Amazon Linux 1 kernel 2021-09-30 19:25 ALAS-2021-1539

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N