CVE-2024-47704

drm/amd/display: Check link_res->hpo_dp_link_enc before using it

State
Published
Severity
Not scored
Published
Oct 21, 2024
Updated
May 12, 2026
Reserved
Sep 30, 2024

Read the record on cve.org

Description

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

drm/amd/display: Check link_res->hpo_dp_link_enc before using it

[WHAT & HOW] Functions dp_enable_link_phy and dp_disable_link_phy can pass link_res without initializing hpo_dp_link_enc and it is necessary to check for null before dereferencing.

This fixes 2 FORWARD_NULL issues reported by Coverity.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to before 8c22a62288194f072eb3a51045b700fce1c18d9eAffected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to before be2ca7a2c1561390d28bf2f92654d819659ba510Affected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to before 530e29452b955c30cf2102fa4d07420dc6e0c953Affected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to before 0508a4e95ac1aefd851ceb97ea050d8abb93262cAffected
  • 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c to before 0beca868cde8742240cd0038141c30482d2b7eb8Affected
LinuxLinux
  • 4.15Affected
  • before 4.15Not affected
  • 6.1.151 through 6.1.*Not affected
  • 6.6.55 through 6.6.*Not affected
  • 6.10.14 through 6.10.*Not affected
  • 6.11.2 through 6.11.*Not affected
  • 6.12 and laterNot affected

References

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