SB2025082041 - Use-after-free in Linux kernel amd amdgpu driver



SB2025082041 - Use-after-free in Linux kernel amd amdgpu driver

Published: August 20, 2025

Security Bulletin ID SB2025082041
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-2025-38603)

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

The vulnerability exists due to a use-after-free error within the amdgpu_driver_postclose_kms() function in drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c, within the amdgpu_drm_release() function in drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.