#VU112213 NULL pointer dereference in Linux kernel - CVE-2025-38134

Vulnerability identifier: #VU112213

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-2025-38134

CWE-ID: CWE-476

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 NULL pointer dereference within the usb_acpi_add_usb4_devlink() function in drivers/usb/core/usb-acpi.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/73fb0ec9436ae87bcae067ce35d6cdd72bade86c
https://git.kernel.org/stable/c/8fa544bff8466062e42949c93f3e528f4be5624b
https://git.kernel.org/stable/c/e3d530173b70514d4390a94f9f979acad689b70a

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?