SB2025080638 - Gentoo update for PAM

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Main Vulnerability Database SB2025080638

SB2025080638 - Gentoo update for PAM

Published: August 6, 2025

Security Bulletin ID SB2025080638
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper authentication (CVE-ID: CVE-2024-10963)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in pam_access module where certain rules in its configuration file are mistakenly treated as hostnames. A remote attacker can bypass authentication process and gain unauthorized access to the system.


2) 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. 


Remediation

Install update from vendor's website.

References