CVE-2024-26662

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)

Affected Software

VendorProductVersion RangeStatus
LinuxLinux474ac4a875ca6fea3fc5183d3ad22ef7523dca53 < 2e150ccea13129eb048679114808eb9770443e4daffected
LinuxLinux474ac4a875ca6fea3fc5183d3ad22ef7523dca53 < 0c863cab0e9173f8b6c7bc328bee3b8625f131b5affected
LinuxLinux474ac4a875ca6fea3fc5183d3ad22ef7523dca53 < e96fddb32931d007db12b1fce9b5e8e4c080401baffected
LinuxLinux5.9affected
LinuxLinux0 < 5.9unaffected
LinuxLinux6.6.17 <= 6.6.*unaffected
LinuxLinux6.7.5 <= 6.7.*unaffected
LinuxLinux6.8 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References