UBUNTU-CVE-2021-47534

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: kms: Add missing drmcrtccommitput Commit 9ec03d7f1ed3 "drm/vc4: kms: Wait on previous FIFO users before a commit" introduced a global state for the HVS, with each FIFO storing the current CRTC commit so that we can...

CVE-2021-47533: Use After Free

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: kms: Clear the HVS FIFO commit pointer once done Commit 9ec03d7f1ed3 "drm/vc4: kms: Wait on previous FIFO users before a commit" introduced a wait on the previous commit done on a given HVS FIFO. However, we never cleare...