#VU112206 NULL pointer dereference in Linux kernel - CVE-2025-38156

Vulnerability identifier: #VU112206

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-2025-38156

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 mt7996_mmio_wed_init() function in drivers/net/wireless/mediatek/mt76/mt7996/mmio.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/1072fc0ca1f8d0d5397d24853386876f937b8e63
https://git.kernel.org/stable/c/8f30e2b059757d8711a823e4c9c023db62a1d171
https://git.kernel.org/stable/c/af861c6dea2ef06845a5c7672999a06c06099735

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?