What’s Vulnerable › Vulnerabilities

CVE-2026-46226: spi: fsl: fix controller deregistration

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-28 · updated 2026-10-30

Description

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.

Affected products

• Linux kernel: from 4.3 before 6.6.140; from 6.7 before 6.12.90; from 6.13 before 6.18.32; from 6.19 before 7.0.9 — fixed in 6.6.140, 6.12.90, 6.18.32, 7.0.9
• Linux: 4.3 — fixed in 7.1

How to fix

Upgrade to a fixed version: Linux kernel 6.6.140, 6.12.90, 6.18.32, 7.0.9; Linux 7.1. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/562d954a144950ec2aa6a874ae657cb3fa31fe53
• https://git.kernel.org/stable/c/5750743a39c9d46ac9fcf57ffe000956da4942cf
• https://git.kernel.org/stable/c/9b7abfed4c3754062d1f3ffd452e65a38667f586
• https://git.kernel.org/stable/c/af8ba212fdc985b7853e8aff3fd2ca65f94aafc9
• https://git.kernel.org/stable/c/ca3195c7b88362d7c81efe685948663a9f9db0e6
• https://git.kernel.org/stable/c/e888308222375ac28bae69134dae288178718a96

Get alerted when CVE-2026-46226 or the next vulnerability affects your stack