SB2025123004 - Anolis OS update for container-tools:an8 module

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Main Vulnerability Database SB2025123004

SB2025123004 - Anolis OS update for container-tools:an8 module

Published: December 30, 2025

Security Bulletin ID SB2025123004
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) UNIX symbolic link following (CVE-ID: CVE-2025-52881)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue related to procfs write redirects. 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.

Successful exploitation of this vulnerability may result in privilege escalation.


2) Improper access control (CVE-ID: CVE-2019-19921)

The vulnerability allows a local user to gain unauthorized access to sensitive information.

The vulnerability exists due to improper access restrictions, related to libcontainer/rootfs_linux.go in runc. A local user with ability to spawn two containers with custom volume-mount configurations, and run custom images can escalate privileges on the system.


Remediation

Install update from vendor's website.

References