SB20260815122 - Improper locking in Linux kernel amd amdkfd driver
Published: August 15, 2026
Security Bulletin ID
SB20260815122
CSH 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 vulnerability.
1) Improper locking (CVE-ID: CVE-2026-74353)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper state management in kfd_dqm_suspend_bad_queue_mes in the AMD KFD device queue manager when handling a bad queue during queue suspension and removal. A local user can trigger handling of a bad queue to cause a denial of service.
The issue affects restoration of good queues after suspension errors.
Remediation
Install update from vendor's website.