Race condition in Linux kernel - CVE-2026-43446
Published: May 8, 2026
Vulnerability identifier: #VU130729
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-43446
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper synchronization in the amdxdna runtime suspend callback when draining the running job workqueue during runtime suspend. A local user can submit a job that triggers pm_runtime_resume_and_get() while a suspend operation is in progress to cause a denial of service.
How to mitigate CVE-2026-43446
Install security update from vendor's repository.