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CVE-2026-63842

drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.0 ring

HIGH
7.8
CVSS Score
Published: July 19, 2026 at 02:04 PM UTC
Updated: October 22, 2026 at 06:57 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 v5.0.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 0f43893d3cd478fa57836697525b338817c9c23d)

Affected

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

Linux Kernel· Linux
95%
6.13 ≤ v < 6.18.336.19 ≤ v < 7.0.106.9 ≤ v < 6.12.916.97.1dfad65c65728401587142577dd283476491bac83
Vendor states this is fixed in 3a55ff19a6ff5e046d6a4a18e36deec5d95d9a2e (fixed)
Vendor states this is fixed in 69ab75c7c5f378eb46f4c918aa848bb5c5603924 (fixed)
Vendor states this is fixed in a7e63bb93a7fde3c8920984c3deee9acfe461562 (fixed)
Vendor states this is fixed in ea7c61c5f895e8f9ea0ffffa180498ef9c740152 (fixed)
Vendor states this is fixed in 6.12.91 (unaffected)
Vendor states this is fixed in 6.18.33 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)
Vendor states this is fixed in 7.0.10 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

References (4)

Patch
Source: cverecord
https://git.kernel.org/stable/c/3a55ff19a6ff5e046d6a4a18e36deec5d95d9a2e
Patch
Source: cverecord
https://git.kernel.org/stable/c/a7e63bb93a7fde3c8920984c3deee9acfe461562
Patch
Source: cverecord
https://git.kernel.org/stable/c/69ab75c7c5f378eb46f4c918aa848bb5c5603924
Patch
Source: cverecord
https://git.kernel.org/stable/c/ea7c61c5f895e8f9ea0ffffa180498ef9c740152

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-20CWE-754

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