#VU107731 NULL pointer dereference in Linux kernel - CVE-2025-22009

Vulnerability identifier: #VU107731

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-2025-22009

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 drivers/regulator/dummy.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.6 - 6.6.84

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External links
https://git.kernel.org/stable/c/5ade367b56c3947c990598df92395ce737bee872
https://git.kernel.org/stable/c/8619909b38eeebd3e60910158d7d68441fc954e9
https://git.kernel.org/stable/c/d3b83a1442a09b145006eb4294b1a963c5345c9c
https://git.kernel.org/stable/c/e26f24ca4fb940b15e092796c5993142a2558bd9
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.85

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?