CVE-2026-63840

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Source
https://cve.org/CVERecord?id=CVE-2026-63840
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63840.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-63840
Downstream
Published
2026-07-19T14:04:35.890Z
Modified
2026-07-22T05:30:09.139448832Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
drm/amdgpu/jpeg: set no_user_fence for JPEG v5.3.0 ring
Details

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

drm/amdgpu/jpeg: set nouserfence for JPEG v5.3.0 ring

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

(cherry picked from commit 86ac011ae234c03fb872f4945913391ea1d8862e)

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63840.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
4aeaf3cbfa9f967e71849c66c6914ab6c2054581
Fixed
46ad73aec27d020f103b4262e4da2d2c22f54799
Fixed
3b0ea2021351b6b813b34fac940957f1f4fad85b

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63840.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
7.0.0
Fixed
7.0.10

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63840.json"