CVE-2023-53552 drm/i915: mark requests for GuC virtual engines to avoid use-after-free

In the Linux kernel, the following vulnerability has been resolved: drm/i915: mark requests for GuC virtual engines to avoid use-after-free References to i915requests may be trapped by userspace inside a syncfile or dmabuf dma-resv and held indefinitely across different proceses. To counter-act t...