CVE-2026-31656

A flaw was found in the Linux kernel's i915 graphics driver. A race condition exists between the heartbeat worker and intel_engine_park_heartbeat() functions when releasing an engine request. This can lead to a reference count (refcount) underflow, resulting in a use-after-free vulnerability. A local attacker could potentially exploit this to cause a denial of service.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.