Description
An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system.
Scores
CVSS v3
7.8
EPSS
0.0003
EPSS Percentile
8.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-281
Status
published
Products (2)
fedoraproject/fedora
34
linux/linux_kernel
< 5.17.0
Published
Apr 01, 2022
Tracked Since
Feb 18, 2026