#VU112266 Input validation error in Linux kernel - CVE-2025-38158

Vulnerability identifier: #VU112266

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-2025-38158

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 vf_qm_func_stop(), vf_qm_check_match(), vf_qm_get_match_data() and vf_qm_read_data() functions in drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.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/7710c883eb8cb5cf510ca47ec0e26c6cb7e94a4f
https://git.kernel.org/stable/c/809a9c10274e1bcf6d05f1c0341459a425a4f05f
https://git.kernel.org/stable/c/884a76e813178778d271fea59783763d32bb7e72
https://git.kernel.org/stable/c/8bb7170c5a055ea17c6857c256ee73c10ff872eb
https://git.kernel.org/stable/c/f0423873e7aeb69cb68f4e8fa3827832e7b037ba

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?