#VU109586 Input validation error in Linux kernel - CVE-2025-37974

Vulnerability identifier: #VU109586

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-2025-37974

CWE-ID: CWE-20

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 input validation within the __clp_add() function in arch/s390/pci/pci_clp.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/2769b718e164df983c20c314b263a71a699be6cd
https://git.kernel.org/stable/c/42420c50c68f3e95e90de2479464f420602229fc
https://git.kernel.org/stable/c/be54b750c333a9db7c3b3686846bb06b07b011fe

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?