SB2025070423 - Use-after-free in Linux kernel hwtracing coresight driver



SB2025070423 - Use-after-free in Linux kernel hwtracing coresight driver

Published: July 4, 2025

Security Bulletin ID SB2025070423
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-2025-38131)

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

The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL_GPL(), _cscfg_activate_config(), _cscfg_deactivate_config(), cscfg_csdev_enable_active_config() and cscfg_csdev_disable_active_config() functions in drivers/hwtracing/coresight/coresight-syscfg.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.