Bug 2315155 (CVE-2024-46804)

Summary: CVE-2024-46804 kernel: drm/amd/display: Add array index check for hdcp ddc access
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2315316    
Bug Blocks:    

Description OSIDB Bzimport 2024-09-27 13:20:47 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Add array index check for hdcp ddc access

[Why]
Coverity reports OVERRUN warning. Do not check if array
index valid.

[How]
Check msg_id valid and valid array index.
Comment 1 Robb Gatica 2024-09-27 15:45:18 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024092708-CVE-2024-46804-c90d@gregkh/T