Overview
About vulnerability
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.
Details
- Affected product:
- CentOS 8.4 ELS , CentOS 8.5 ELS , Ubuntu 16.04 ELS
- Affected packages:
- kernel @ 4.18.0 (+2 more)
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.