Review reviewHigh

CVE-2026-63847

Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v2.5 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 3216a7f4e2642bda5fd14f57586e835ae9202587)

CVSS: 7.8
EPSS: -
CISA KEV: Not listed
Published: 2026.07.20

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability-

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Linux
Affected versions: >= 14f43e8f88c57bbeaed3d05f13efab733f5e2338 < 63691e396105611173072ad548fc2b68831ecf23, >= 14f43e8f88c57bbeaed3d05f13efab733f5e2338 < 4d96e3cbfc66e4d66ea0096bde858e28ab62da00, >= 14f43e8f88c57bbeaed3d05f13efab733f5e2338 < 3a96fee676fc0caf08f03ad915bec6fcd144d551, >= 14f43e8f88c57bbeaed3d05f13efab733f5e2338 < 694fe016969c5e5a24b9e0ef7c1307eedec8ddf8, >= 14f43e8f88c57bbeaed3d05f13efab733f5e2338 < 79405e774ede411c6b47ed41c651e40b92de64a2, >= 5.6
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Linux and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: Not available