CVE-2026-63840

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)

Package Linux Kernel
Published 2026-07-19
Last modified 2026-07-19
Patch available
Yes

Affected versions

Linux kernel versions 7.0 and later are affected. Fixed in 7.0.10, 7.1 and their respective stable series.

Affected from
≥ 7.0
Fixed in
✓ 7.0.10 7.0.x ✓ 7.1

References

2 total

Frequently asked questions

  • What is CVE-2026-63840?

    CVE-2026-63840 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 7.0 onward and has been patched in 7.0.10 and 7.1. CVE-2026-63840 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-63840?

    Yes — CVE-2026-63840 has been patched. Fixed versions include 7.0.10 and 7.1. If you are running Linux kernel 7.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-63840 actively exploited?

    No — CVE-2026-63840 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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