CVE-2025-37930 drm/nouveau: Fix WARN_ON in nouveau_fence_context_kill()

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: Fix WARNON in nouveaufencecontextkill Nouveau is mostly designed in a way that it's expected that fences only ever get signaled through nouveaufencesignal. However, in at least one other place, nouveaufencedone, can...

Vulnerability of the nouveau_fence_context_kill() function in the drivers/gpu/drm/nouveau/nouveau_fence.c module – This driver is part of the NVIDIA Linux kernel’s Direct Rendering Infrastructure (DRI) support. It allows a hacker to trigger a service failure.

Vulnerability of the nouveaufencecontextkill function in the drivers/gpu/drm/nouveau/nouveaufence.c module – The drivers for NVIDIA’s Direct Rendering Infrastructure DRI in Linux kernel-based graphics cards are vulnerable to synchronization errors when using shared resources. Exploiting this...