Linux kernel AMD DRI dcn21 backlight overflow DoS

Vulnerability of the dcn21setbacklightlevel function in the drivers/gpu/drm/amd/display/dc/dcn21/dcn21HWSeq.c module – The drivers for AMD graphics cards that support Direct Rendering Infrastructure DRI in Linux operating systems rely on pointer swapping. Exploiting this vulnerability could allow...

drm/amd/display: Fix 'panel_cntl' could be null in 'dcn21_set_backlight_level()'

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