CVE-2024-46685: pinctrl: single: fix potential NULL dereference in pcs_get_function()
First published: Fri Sep 13 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=4.11<4.19.321 | |
| Linux Linux kernel | >=4.20<5.4.283 | |
| Linux Linux kernel | >=5.5<5.10.225 | |
| Linux Linux kernel | >=5.11<5.15.166 | |
| Linux Linux kernel | >=5.16<6.1.108 | |
| Linux Linux kernel | >=6.2<6.6.49 | |
| Linux Linux kernel | >=6.7<6.10.8 | |
| Linux Linux kernel | =6.11-rc1 | |
| Linux Linux kernel | =6.11-rc2 | |
| Linux Linux kernel | =6.11-rc3 | |
| Linux Linux kernel | =6.11-rc4 | |
| Linux Linux kernel | =6.11-rc5 | |
| debian/linux | <=5.10.223-1 | 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
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Reference Links
- 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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-46685
- https://nvd.nist.gov/vuln/detail/CVE-2024-46685
- https://launchpad.net/bugs/cve/CVE-2024-46685
- https://security-tracker.debian.org/tracker/CVE-2024-46685
- https://ubuntu.com/security/CVE-2024-46685
- https://git.kernel.org/linus/1c38a62f15e595346a1106025722869e87ffe044
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