SB2025090375 - Red Hat Enterprise Linux 8 update for pam
Published: September 3, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Improper access control (CVE-ID: CVE-2025-6020)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper access restrictions within the pam_namespace module when handling user-controlled paths. A local user can use specially crafted symlinks and race conditions to execute arbitrary code as root.
2) 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.