CVE-2026-15466

A vulnerability exists in the GPU DDK where a non-privileged user can make improper GPU system calls to trigger a race condition in the hardware performance counters buffer's destruction path. This issue is caused by insufficient locking in PVRSRVRGXCloseHWPerfClientStreamKM(), specifically leadi...

CVE-2026-15466 GPU DDK - Write UAF due to a race condition caused by insufficient locking in PVRSRVRGXCloseHWPerfClientStreamKM()

Software installed and run as a non-privileged user may conduct improper GPU system calls to cause race condition in hardware performance counters buffer’s destruction path leading to read and/or write UAF. The race condition in the destruction path could lead to reference counter being decrement...