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CVE-2026-63840

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

HIGH
7.8
CVSS Score
Published: July 19, 2026 at 02:04 PM UTC
Updated: October 22, 2026 at 02:08 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence 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)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
7.0 ≤ v < 7.0.104aeaf3cbfa9f967e71849c66c6914ab6c20545817.07.1
Vendor states this is fixed in 3b0ea2021351b6b813b34fac940957f1f4fad85b (fixed)
Vendor states this is fixed in 46ad73aec27d020f103b4262e4da2d2c22f54799 (fixed)
Vendor states this is fixed in 7.0 (unaffected)
Vendor states this is fixed in 7.0.10 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: cverecord
https://git.kernel.org/stable/c/46ad73aec27d020f103b4262e4da2d2c22f54799
Patch
Source: cverecord
https://git.kernel.org/stable/c/3b0ea2021351b6b813b34fac940957f1f4fad85b

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20

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