Bug 2315165 (CVE-2024-46814)

Summary: CVE-2024-46814 kernel: drm/amd/display: Check msg_id before processing transcation
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Bug Depends On: 2315304    
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Description OSIDB Bzimport 2024-09-27 13:21:14 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Check msg_id before processing transcation

[WHY & HOW]
HDCP_MESSAGE_ID_INVALID (-1) is not a valid msg_id nor is it a valid
array index, and it needs checking before used.

This fixes 4 OVERRUN issues reported by Coverity.
Comment 1 Robb Gatica 2024-09-27 15:32:31 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024092711-CVE-2024-46814-5021@gregkh/T