TencentOS Server 4: pam (TSSA-2025:0538)

high Nessus Plugin ID 253498

Synopsis

The remote TencentOS Server 4 host is missing one or more security updates.

Description

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:0538 advisory.

Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

CVE-2025-6020:
A flaw was found in linux-pam. The module pam_namespace may use access user-controlled paths without proper protection, allowing local users to elevate their privileges to root via multiple symlink attacks and race conditions.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 253498

File Name: tencentos_TSSA_2025_0538.nasl

Version: 1.1

Type: local

Family: Tencent Local Security Checks

Published: 8/21/2025

Updated: 8/21/2025

Supported Sensors: Nessus

Vulnerability Information

CPE: p-cpe:/a:tencent:tencentos_server:pam, cpe:/o:tencent:tencentos_server:4

Required KB Items: Host/local_checks_enabled, Host/etc/os-release, Host/TencentOS/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 8/18/2025

Vulnerability Publication Date: 8/18/2025

Detections

Analytics