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Change History

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)

kernel.org https://git.kernel.org/stable/c/0c863cab0e9173f8b6c7bc328bee3b8625f131b5 [No types assigned]

kernel.org https://git.kernel.org/stable/c/2e150ccea13129eb048679114808eb9770443e4d [No types assigned]

kernel.org https://git.kernel.org/stable/c/e96fddb32931d007db12b1fce9b5e8e4c080401b [No types assigned]