CVE-2024-43863: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix a deadlock in dma buf fence polling Introduce a version of the fence ops that on release doesn't remove the fence from the pending list, and thus doesn't require a lock to fix poll-fence wait-fence unref deadlocks...

PT-2024-30720

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.50 Description The issue is related to a deadlock in the dma buf fence polling mechanism. Specifically, the vmwgfx module overwrites the wait callback to iterate over the list of all fences and update their...