Bug 2320448 (CVE-2024-49896) - CVE-2024-49896 kernel: drm/amd/display: Check stream before comparing them
Summary: CVE-2024-49896 kernel: drm/amd/display: Check stream before comparing them
Keywords:
Status: NEW
Alias: CVE-2024-49896
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2320779
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-10-21 19:02 UTC by OSIDB Bzimport
Modified: 2024-10-21 22:31 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2024-10-21 19:02:41 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Check stream before comparing them

[WHAT & HOW]
amdgpu_dm can pass a null stream to dc_is_stream_unchanged. It is
necessary to check for null before dereferencing them.

This fixes 1 FORWARD_NULL issue reported by Coverity.
Comment 1 Robb Gatica 2024-10-21 22:03:27 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024102119-CVE-2024-49896-f220@gregkh/T
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