CVE-2025-68732 gpu: host1x: Fix race in syncpt alloc/free

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix race in syncpt alloc/free Fix race condition between host1xsyncptalloc and host1xsyncptput by using krefputmutex instead of krefput + manual mutex locking. This ensures no thread can acquire the syncptmutex after...

CVE-2025-68732

The CVE-2025-68732 entry refers to a Linux kernel vulnerability fixed in the gpu: host1x subsystem. The root cause was a race between host1x_syncpt_alloc() and host1x_syncpt_put(), mitigated by switching to kref_put_mutex() so the refcount drop to zero cannot race with syncpt_release acquiring th...