SB2025121074 - Use-after-free in Linux kernel amd amdkfd driver



SB2025121074 - Use-after-free in Linux kernel amd amdkfd driver

Published: December 10, 2025 Updated: December 12, 2025

Security Bulletin ID SB2025121074
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-2023-53816)

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

The vulnerability exists due to a use-after-free error within the kfd_ioctl_map_memory_to_gpu() and kfd_ioctl_unmap_memory_from_gpu() functions in drivers/gpu/drm/amd/amdkfd/kfd_chardev.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.