Link following in linux-pam - CVE-2025-8941

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU114769

Link following in linux-pam - CVE-2025-8941

Published: September 3, 2025


Vulnerability identifier: #VU114769
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-8941
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: git.kernel.org
Affected software:
linux-pam

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an insecure link following issue in the pam_namespace module. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

The vulnerability exists due to incomplete fix for #VU111389 (CVE-2025-6020).


How to mitigate CVE-2025-8941

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources