What is CVE-2026-46226?

CVE-2026-46226 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 4.3 onward and patched in 6.6.140, 6.12.90, 6.18.32 and others. CVE-2026-46226 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-46226?

CVE-2026-46226 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-46226?

Yes, CVE-2026-46226 has been patched. Fixed versions include 6.6.140, 6.12.90, 6.18.32 and others. If you are running Linux kernel 4.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-46226 actively exploited?

CVE-2026-46226 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-46226

In the Linux kernel, the following vulnerability has been resolved: spi: fsl: fix controller deregistration Make sure to deregister the controller before releasing underlying resources like DMA during driver unbind.

Package Linux Kernel

Published 2026-05-28

Last modified 2026-05-28

Patch available

Yes

Affected versions

Linux kernel versions 4.3 and later are affected. Fixed in 6.6.140, 6.12.90, 6.18.32, 7.0.9, 7.1-rc1 and their respective stable series.

Affected from

≥ 4.3

Fixed in

✓ 6.6.140 6.6.x ✓ 6.12.90 6.12.x ✓ 6.18.32 6.18.x ✓ 7.0.9 7.0.x ✓ 7.1-rc1

References

The following references provide additional information about CVE-2026-46226 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/562d954a144950ec2aa6a874ae657cb3fa31fe53
Patch
Kernel patch commit
https://git.kernel.org/stable/c/5750743a39c9d46ac9fcf57ffe000956da4942cf
Patch
Kernel patch commit
https://git.kernel.org/stable/c/9b7abfed4c3754062d1f3ffd452e65a38667f586
Patch

5 patch commits total View all on NVD

Frequently asked questions

What is CVE-2026-46226?

CVE-2026-46226 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.3 onward and has been patched in 6.6.140, 6.12.90, 6.18.32 and others. CVE-2026-46226 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-46226?

Yes — CVE-2026-46226 has been patched. Fixed versions include 6.6.140, 6.12.90, 6.18.32 and others. If you are running Linux kernel 4.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-46226 actively exploited?

No — CVE-2026-46226 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.