SB20260816265 - Race condition in Linux kernel amd amdkfd driver
Published: August 16, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition (CVE-ID: CVE-2026-74446)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service or execute arbitrary code.
The vulnerability exists due to a race condition in kfd_criu_checkpoint_events() in the amdkfd event handling code when checkpointing CRIU events while concurrent event create or destroy operations occur. A local user can trigger concurrent event insertion or removal to cause a denial of service or execute arbitrary code.
Exploitation requires a second thread in the same process to race event creation or destruction with the checkpoint operation.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2040b7e39027cb83bb8c7b84a4c95c2f6053c32f
- https://git.kernel.org/stable/c/6a52f48157fa7fb81e0c146937fd6c8b0c1cfdbd
- https://git.kernel.org/stable/c/9a7f765985f64fd4a7a58f7bc9cd80a1f4230628
- https://git.kernel.org/stable/c/bed80be08c0bee47fa242a4256ac873477c815f8
- https://git.kernel.org/stable/c/ff8bc5a68a9a70bdc38d61a72c7a49c56063f9d2