Bug 2528791 (CVE-2026-80907) - CVE-2026-80907 kernel: drm/amdgpu: Fix UVD dpb min size calculation for H264
Summary: CVE-2026-80907 kernel: drm/amdgpu: Fix UVD dpb min size calculation for H264
Keywords:
Status: NEW
Alias: CVE-2026-80907
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 17:34 UTC by OSIDB Bzimport
Modified: 2026-10-24 01:47 UTC (History)
17 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-09-04 17:34:37 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: Fix UVD dpb min size calculation for H264

This should use actual number of references from the decode
message, instead of maximum derived from level.

(cherry picked from commit 64b525edb7e7bdfcdc77883c5e413804e2396856)
Comment 1 Mauro Matteo Cascella 2026-09-07 08:42:24 UTC 
Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80907.mbox
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