medium5.5
CVE-2024-26662
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()' 'panel_cnt…
Impact
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()' 'panel_cntl' structure used to control the display panel could be null, dereferencing it could lead to a null pointer access. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn21/dcn21_hwseq.c:269 dcn21_set_backlight_level() error: we previously assumed 'panel_cntl' could be null (see line 250)
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.9 before 6.6.17 from 6.7 before 6.7.5 Version 6.8 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/0c863cab0e9173f8b6c7bc328bee3b8625f131b5
- https://git.kernel.org/stable/c/2e150ccea13129eb048679114808eb9770443e4d
- https://git.kernel.org/stable/c/94a506cbfd1bd4817502bed097e24cbab23cfce3
- https://git.kernel.org/stable/c/e96fddb32931d007db12b1fce9b5e8e4c080401b