Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix potential null-deref in dm_resume
[Why] Fixing smatch error: dm_resume() error: we previously assumed ‘aconnector->dc_link’ could be null
[How] Check if dc_link null at the beginning of the loop, so further checks can be dropped.
Details
- Affected product:
- AlmaLinux 9.2 ESU , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , Oracle Linux 7 ELS , TuxCare 9.6 ESU , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS , Ubuntu 20.04 ELS
- Affected packages:
- linux @ 5.4.0 (+8 more)
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix potential null-deref in dm_resume
[Why] Fixing smatch error: dm_resume() error: we previously assumed ‘aconnector->dc_link’ could be null
[How] Check if dc_link null at the beginning of the loop, so further checks can be dropped.