2502290 – (CVE-2026-63846) CVE-2026-63846 kernel: drm/amdgpu/jpeg: set no_user_fence for JPEG v3.0 ring

Bug 2502290 (CVE-2026-63846) - CVE-2026-63846 kernel: drm/amdgpu/jpeg: set no_user_fence for JPEG v3.0 ring

Summary: CVE-2026-63846 kernel: drm/amdgpu/jpeg: set no_user_fence for JPEG v3.0 ring

Keywords:
Status:	NEW
Alias:	CVE-2026-63846
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	medium
Severity:	medium
Target Milestone:	---
Assignee:	Product Security DevOps Team
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+	depends on / blocked

Reported:	2026-07-19 15:02 UTC by OSIDB Bzimport
Modified:	2026-08-21 13:41 UTC (History)
CC List:	2 users (show)
Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments	(Terms of Use)

Description OSIDB Bzimport 2026-07-19 15:02:14 UTC

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/jpeg: set no_user_fence for JPEG v3.0 ring

JPEG rings do not support 64-bit user fence writes, reject CS
submissions with user fences.

(cherry picked from commit 4d7d774f100efb5089c86a1fb8c5bf47c63fc9ef)

Comment 1 Keith Grant 2026-07-20 17:36:23 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026071930-CVE-2026-63846-079b@gregkh/T

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