SB20250226538 - Improper locking in Linux kernel amd amdkfd driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226538
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2022-49133)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the svm_range_restore_work() and svm_range_list_fini() functions in drivers/gpu/drm/amd/amdkfd/kfd_svm.c, within the kfd_process_notifier_release() function in drivers/gpu/drm/amd/amdkfd/kfd_process.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.