Bug 2528796 (CVE-2026-80909) - CVE-2026-80909 kernel: drm/amdgpu: Reject UVD message with invalid number of h265 refs
Summary: CVE-2026-80909 kernel: drm/amdgpu: Reject UVD message with invalid number of ...
Keywords:
Status: NEW
Alias: CVE-2026-80909
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:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-04 17:35 UTC by OSIDB Bzimport
Modified: 2026-10-25 21:25 UTC (History)
17 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-09-04 17:35:32 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: Reject UVD message with invalid number of h265 refs

Same change as for h264, avoids overflow later when calculating
min dpb size.

(cherry picked from commit a4b0720e4f1601f97f59a2be9c1b4b94fa6527d5)
Comment 1 Mauro Matteo Cascella 2026-09-07 08:10:37 UTC 
Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80909.mbox
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