#VU112794 Improper locking in Linux kernel - CVE-2025-38291

Vulnerability identifier: #VU112794

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-2025-38291

CWE-ID: CWE-667

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 improper locking within the ath12k_mhi_op_status_cb() function in drivers/net/wireless/ath/ath12k/mhi.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/2563069baf243cadc76dc64d9085606742c4b282
https://git.kernel.org/stable/c/e9e094a9734ea3bd4d4d117c915ccf129ac61ba1

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?