What’s Vulnerable › Vulnerabilities

CVE-2026-63843: drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.5 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 2026-10-22
• Weakness: CWE-754

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.5 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit f05d0a4f21fc720116d6e238f23308b199891058)

Affected products

• Linux kernel: 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 6.12.91, 6.18.33, 7.0.10

How to fix

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

References

• https://git.kernel.org/stable/c/424510b60d4698a75a6ff71acdd88b528f0f39af
• https://git.kernel.org/stable/c/b65b7f3f3c18f797f81a2af7c97e2079900ad6db
• https://git.kernel.org/stable/c/f26e3f7186cd6ecc93e6af102744d64c798dea7e
• https://git.kernel.org/stable/c/f9bc5633b761cff200c428f61ed0df6212b1c721

Get alerted when CVE-2026-63843 or the next vulnerability affects your stack