SB2025090350 - Privilege escalation in linux-pam
Published: September 3, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Link following (CVE-ID: CVE-2025-8941)
CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')
CVSSv4: 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
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).
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.