CVE-2024-46866 drm/xe/client: add missing bo locking in show_meminfo()

In the Linux kernel, the following vulnerability has been resolved: drm/xe/client: add missing bo locking in showmeminfo bomeminfo wants to inspect bo state like tt and the ttm resource, however this state can change at any point leading to stuff like NPD and UAF, if the bo lock is not held. Grab...

CVE-2024-46866

The CVE-2024-46866 issue in the Linux kernel affects the drm/xe client, specifically the bo_meminfo path. Root cause: bo_meminfo() inspects bo state (tt and ttm resource) without consistently holding the bo lock, allowing state changes that can cause NPD or UAF. Mitigation implemented by grabbing...