CVE-2023-52671 Information

Description

In the Linux kernel the following vulnerability has been resolved:

drm/amd/display: Fix hang/underflow when transitioning to ODM4:1

[Why] Under some circumstances disabling an OPTC and attempting to reclaim its OPP(s) for a different OPTC could cause a hang/underflow due to OPPs not being properly disconnected from the disabled OPTC.

[How] Ensure that all OPPs are unassigned from an OPTC when it gets disabled.

Reference

https://git.kernel.org/stable/c/ae62f1dde66a6f0eee98defc4c7a346bd5acd239 https://git.kernel.org/stable/c/4b6b479b2da6badff099b2e3abf0248936eefbf5 https://git.kernel.org/stable/c/e7b2b108cdeab76a7e7324459e50b0c1214c0386