vulnerability
Arch Linux: Arbitrary filesystem access (CVE-2025-6020)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Jun 17, 2025 | Jul 11, 2025 | Jan 28, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Jun 17, 2025
Added
Jul 11, 2025
Modified
Jan 28, 2026
Description
The module pam_namespace in linux-pam <= 1.7.0 may access user-controlled paths without proper protections, which allows a local user to elevate their privileges to root via multiple symlink attacks and race conditions.
Systems are vulnerable if they use pam_namespace to polyinstantiate a directory for which the path to the polyinstantiated directory is under user-control or the path to the instance directory is under user-control.
Systems are vulnerable if they use pam_namespace to polyinstantiate a directory for which the path to the polyinstantiated directory is under user-control or the path to the instance directory is under user-control.
Solution
arch-linux-upgrade-latest
References
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