vulnerability
Arch Linux: Privilege escalation (CVE-2021-3847)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Apr 1, 2022 | Jul 11, 2025 | Feb 10, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Apr 1, 2022
Added
Jul 11, 2025
Modified
Feb 10, 2026
Description
A security issue has been found in the Linux kernel. An attacker with a low-privileged user on a Linux machine with an overlay mount which has a file capability in one of its layers may escalate his privileges up to root when copying a capable file from a nosuid mount into another mount.
Solution
arch-linux-upgrade-latest
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