SB2025112053 - IBM Power HMC update for linux-pam
Published: November 20, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Link following (CVE-ID: CVE-2025-8941)
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
Install update from vendor's website.