CVE-2023-52586

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to the addition of a mutex lock in the control vblank irq to synchronize vblank enable/disable operations happening from different threads, preventing race conditions while registering/unregistering the vblank irq callback. The change includes removing vblank ctl lock from dpu encoder virt and switching from an atomic refcnt to a simple int counter as a mutex has been added.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.