What’s Vulnerable › Vulnerabilities

CVE-2026-63846: drm/amdgpu/jpeg: set no_user_fence for JPEG v3.0 ring

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-19 · updated 2026-10-30
• Weakness: CWE-20

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 products

• Linux kernel: from 5.9 before 6.6.141; from 6.7 before 6.12.91; from 6.13 before 6.18.33; from 6.19 before 7.0.10; 7.1-rc1 — fixed in 6.6.141, 6.12.91, 6.18.33, 7.0.10
• Linux: 5.9 — fixed in 7.1

How to fix

Upgrade to a fixed version: Linux kernel 6.6.141, 6.12.91, 6.18.33, 7.0.10; Linux 7.1. Check the vendor advisory for mitigations.

References

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

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