#VU112843 Input validation error in Linux kernel - CVE-2025-38283

Vulnerability identifier: #VU112843

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-2025-38283

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_check_match(), vf_qm_load_data() and hisi_acc_vfio_pci_migrn_init_dev() 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/2777a40998deb36f96b6afc48bd397cf58a4edf0
https://git.kernel.org/stable/c/53e8e8e909f7c3a77857d09d2b733a42547f57ee
https://git.kernel.org/stable/c/59a834592dd200969fdf3c61be1cb0615c647e45
https://git.kernel.org/stable/c/b5ef128926cd34dffa2a66607b9c82b902581ef8

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?