CVE-2025-21995 drm/sched: Fix fence reference count leak

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix fence reference count leak The lastscheduled fence leaks when an entity is being killed and adding the cleanup callback fails. Decrement the reference count of prev when dmafenceaddcallback fails, ensuring proper...

kernel: perf: Fix event leak upon exit

A logical flaw exists in the Linux kernel. When a task is scheduled, pending sigtrap deliveries are deferred to the target task upon resuming to userspace via taskwork. However, failures are ignored while adding an event's callback to the taskwork engine. Since the last call for the event exit...