SB2025121510 - Privilege escalation in util-linux



SB2025121510 - Privilege escalation in util-linux

Published: December 15, 2025

Security Bulletin ID SB2025121510
Severity
Low
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2025-14104)

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

The vulnerability exists due to a boundary error when processing 256-byte usernames within the setpwnam() function. A local user can trigger a heap-based buffer overflow and execute arbitrary code on the target system.

The vulnerability affects any SUID login-utils utility writing to password database.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.