What’s Vulnerable › Vulnerabilities

CVE-2024-46685: pinctrl: single: fix potential NULL dereference in pcs_get_function()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-13 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Linux kernel: from 4.11 before 4.19.321; from 4.20 before 5.4.283; from 5.5 before 5.10.225; from 5.11 before 5.15.166; from 5.16 before 6.1.108; from 6.2 before 6.6.49 — fixed in 4.19.321, 5.10.225, 5.15.166, 5.4.283, 6.1.108, 6.10.8

How to fix

Upgrade to a fixed version: Linux kernel 4.19.321, 5.10.225, 5.15.166, 5.4.283. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0a2bab5ed161318f57134716accba0a30f3af191
• https://git.kernel.org/stable/c/1c38a62f15e595346a1106025722869e87ffe044
• https://git.kernel.org/stable/c/292151af6add3e5ab11b2e9916cffa5f52859a1f
• https://git.kernel.org/stable/c/2cea369a5c2e85ab14ae716da1d1cc6d25c85e11
• https://git.kernel.org/stable/c/4e9436375fcc9bd2a60ee96aba6ed53f7a377d10
• https://git.kernel.org/stable/c/4ed45fe99ec9e3c9478bd634624cd05a57d002f7
• https://git.kernel.org/stable/c/6341c2856785dca7006820b127278058a180c075
• https://git.kernel.org/stable/c/8f0bd526921b6867c2f10a83cd4fd14139adcd92
• https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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