CVE-2022-49969 Information

Description

In the Linux kernel the following vulnerability has been resolved:

drm/amd/display: clear optc underflow before turn off odm clock

[Why] After ODM clock off optc underflow bit will be kept there always and clear not work. We need to clear that before clock off.

[How] Clear that if have when clock off.

Reference

https://git.kernel.org/stable/c/3101839b080137c367f3f88c2a040f791de880aa https://git.kernel.org/stable/c/3c1dfeaeb3b4e3ea656041da1241e6ee3c3b3202 https://git.kernel.org/stable/c/443687798d6f094412b7312b64b3bb4d99aedff7 https://git.kernel.org/stable/c/5ee30bcfdb32526233d2572f3d9ec371928679f1 https://git.kernel.org/stable/c/814b756d4ec3a8728debb116cf49005feada7750 https://git.kernel.org/stable/c/b2a93490201300a749ad261b5c5d05cb50179c44

Related CNNVD

CNNVD-202506-2255 (Published: 2025-06-18)