drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat

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DEBIAN-CVE-2026-31656

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: fix refcount underflow in intelengineparkheartbeat A use-after-free / refcount underflow is possible when the heartbeat worker and intelengineparkheartbeat race to release the same engine-heartbeat.systole request. T...

CVE-2026-31656

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: fix refcount underflow in intelengineparkheartbeat A use-after-free / refcount underflow is possible when the heartbeat worker and intelengineparkheartbeat race to release the same engine-heartbeat.systole request. T...

PT-2026-35008

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free and refcount underflow can occur in the drm/i915/gt component. This happens when the heartbeat worker and the intel engine park heartbeat function race to release the sa...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a underflow in the reference counting mechanism used in intelengineparkheartbeat. This...