Review reviewHigh

CVE-2026-63848

Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v2.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 96179da0c6b059eb31706a0abe8dd6381c533143)

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: >= 6ac27241106bc946bd50032f4cd96899c6a6fe69 < f675801889b265634aefd30aa4503fc2b9e6ce1c, >= 6ac27241106bc946bd50032f4cd96899c6a6fe69 < 2e216c2ff159b2eb1da6e9c716d727efc73c64b5, >= 6ac27241106bc946bd50032f4cd96899c6a6fe69 < b41248d1c18384835f6532e68592ee07605da283, >= 6ac27241106bc946bd50032f4cd96899c6a6fe69 < 41c4f3f68a343d62bd352a95ace93a11c4ad92ed, >= 6ac27241106bc946bd50032f4cd96899c6a6fe69 < e5f612dc91650561fe2b5b76dd6d2898ec9ad480, >= 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