CVE-2025-38355 drm/xe: Process deferred GGTT node removals on device unwind

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Process deferred GGTT node removals on device unwind While we are indirectly draining our dedicated workqueue ggtt-wq that we use to complete asynchronous removal of some GGTT nodes, this happends as part of the managed-d...

CVE-2025-38355

CVE-2025-38355 involves the Linux kernel DRM/xe path where deferred GGTT node removals could be drained later than device unwinding, potentially unmapping MMIO/GSM mappings during unwinding and causing a page fault. The fixes add a managed-device action to explicitly drain the ggtt node removals ...