Bug 2320545 (CVE-2024-49893)

Summary: CVE-2024-49893 kernel: drm/amd/display: Check stream_status before it is used
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: 2321050    
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Description OSIDB Bzimport 2024-10-21 19:09:46 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Check stream_status before it is used

[WHAT & HOW]
dc_state_get_stream_status can return null, and therefore null must be
checked before stream_status is used.

This fixes 1 NULL_RETURNS issue reported by Coverity.
Comment 1 Robb Gatica 2024-10-22 16:41:14 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024102118-CVE-2024-49893-72a4@gregkh/T