CVE-2024-42121

Summary

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

drm/amd/display: Check index msg_id before read or write

[WHAT] msg_id is used as an array index and it cannot be a negative value, and therefore cannot be equal to MOD_HDCP_MESSAGE_ID_INVALID (-1).

[HOW] Check whether msg_id is valid before reading and setting.

This fixes 4 OVERRUN issues reported by Coverity.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < b5b8837d066cc182ff69fb5629ad32ade5484567affected
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < fbb0701af9734cff13917a4b98b5ee9da2fde48daffected
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4affected
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 9933eca6ada0cd612e19522e7a319bcef464c0ebaffected
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < a31ea49dc8064a557565725cf045944307476a6eaffected
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 59d99deb330af206a4541db0c4da8f73880fba03affected
LinuxLinux4.15affected
LinuxLinux0 < 4.15unaffected
LinuxLinux5.10.222 <= 5.10.*unaffected
LinuxLinux5.15.163 <= 5.15.*unaffected
LinuxLinux6.1.98 <= 6.1.*unaffected
LinuxLinux6.6.39 <= 6.6.*unaffected
LinuxLinux6.9.9 <= 6.9.*unaffected
LinuxLinux6.10 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References