#VU112235 Improper locking in Linux kernel - CVE-2025-38151

Vulnerability identifier: #VU112235

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-2025-38151

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 cma_netevent_callback() function in drivers/infiniband/core/cma.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/02e45168e0fd6fdc6f8f7c42c4b500857aa5efb0
https://git.kernel.org/stable/c/1ac40736c8c4255d8417b937c9715b193f4a87b3
https://git.kernel.org/stable/c/8b05aa3692e45b8249379dc52b14acc6a104d2e5
https://git.kernel.org/stable/c/92a251c3df8ea1991cd9fe00f1ab0cfce18d7711
https://git.kernel.org/stable/c/ac7897c0124066b9705ffca252a3662d54fc0c9b

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?