CVE-2024-26662
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
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)
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/0c863cab0e9173f8b6c7bc328bee3b8625f131b5 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/0c863cab0e9173f8b6c7bc328bee3b8625f131b5Patch
- https://git.kernel.org/stable/c/2e150ccea13129eb048679114808eb9770443e4dPatch
- https://git.kernel.org/stable/c/e96fddb32931d007db12b1fce9b5e8e4c080401bPatch
- https://git.kernel.org/stable/c/94a506cbfd1bd4817502bed097e24cbab23cfce3