#VU97259 NULL pointer dereference in Linux kernel - CVE-2024-46685

Vulnerability identifier: #VU97259

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-46685

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the pcs_get_function() function in drivers/pinctrl/pinctrl-single.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
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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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.