CVE-2024-26647

Summary

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix late derefrence 'dsc' check in 'link_set_dsc_pps_packet()'

In link_set_dsc_pps_packet(), 'struct display_stream_compressor *dsc' was dereferenced in a DC_LOGGER_INIT(dsc->ctx->logger); before the 'dsc' NULL pointer check.

Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dpms.c:905 link_set_dsc_pps_packet() warn: variable dereferenced before check 'dsc' (see line 903)

Affected Software

VendorProductVersion RangeStatus
LinuxLinux6ca7415f11af5200ab10bd420b513f846e9bfb99 < 6aa5ede6665122f4c8abce3c6eba06b49e54d25caffected
LinuxLinux6ca7415f11af5200ab10bd420b513f846e9bfb99 < cf656fc7276e5b3709a81bc9d9639459be2b2647affected
LinuxLinux6ca7415f11af5200ab10bd420b513f846e9bfb99 < 3bb9b1f958c3d986ed90a3ff009f1e77e9553207affected
LinuxLinux6.3affected
LinuxLinux0 < 6.3unaffected
LinuxLinux6.6.15 <= 6.6.*unaffected
LinuxLinux6.7.3 <= 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