SB2025100143 - Use-after-free in Linux kernel of driver



SB2025100143 - Use-after-free in Linux kernel of driver

Published: October 1, 2025

Security Bulletin ID SB2025100143
Severity
Low
Patch available
YES
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) Use-after-free (CVE-ID: CVE-2025-39903)

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

The vulnerability exists due to a use-after-free error within the of_numa_parse_memory_nodes() function in drivers/of/of_numa.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.