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CVE-2026-63846

drm/amdgpu/jpeg: set no_user_fence for JPEG v3.0 ring

HIGH
7.8
CVSS Score
Published: July 19, 2026 at 02:04 PM UTC
Updated: October 30, 2026 at 01:19 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 v3.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 4d7d774f100efb5089c86a1fb8c5bf47c63fc9ef)

Affected

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

Linux Kernel· Linux
95%
5.9 ≤ v < 6.6.1416.13 ≤ v < 6.18.336.19 ≤ v < 7.0.106.7 ≤ v < 6.12.915.97.1dfd57dbf44ddc70c90c76f83b2deb46e5dd40ce3
Vendor states this is fixed in 303da8279f195cc741adc52c1b44d6b64de63bb0 (fixed)
Vendor states this is fixed in 48ce00787e3fddd2b45692fc991b8ab128343da5 (fixed)
Vendor states this is fixed in 5ada37d7f736f9feeaa06a25e470a4c74e67a61a (fixed)
Vendor states this is fixed in a2baf12eec41f246689e6a3f8619af1200031576 (fixed)
Vendor states this is fixed in ee035a9d3eed3a9f5a3e83c31a10b321c9598861 (fixed)
Vendor states this is fixed in 5.9 (unaffected)
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 6.6.141 (unaffected)
Vendor states this is fixed in 7.0.10 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

References (6)

Patch
Source: cverecord
https://git.kernel.org/stable/c/ee035a9d3eed3a9f5a3e83c31a10b321c9598861
Patch
Source: cverecord
https://git.kernel.org/stable/c/303da8279f195cc741adc52c1b44d6b64de63bb0
Patch
Source: cverecord
https://git.kernel.org/stable/c/5ada37d7f736f9feeaa06a25e470a4c74e67a61a
Patch
Source: cverecord
https://git.kernel.org/stable/c/48ce00787e3fddd2b45692fc991b8ab128343da5
Patch
Source: cverecord
https://git.kernel.org/stable/c/a2baf12eec41f246689e6a3f8619af1200031576
Source: cverecord
https://git.kernel.org/stable/c/34d72bb699305992d3190220e331a95bfd3e9f7f

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

StatusMODIFIED
CWE
CWE-20NVD-CWE-noinfo

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