#VU113342 Input validation error in Linux kernel - CVE-2025-38412

Vulnerability identifier: #VU113342

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-2025-38412

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 init_bios_attributes() function in drivers/platform/x86/dell/dell-wmi-sysman/sysman.c, within the current_value_show() function in drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c, within the is_enabled_show() function in drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c, within the current_value_show() function in drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c, within the current_value_show() function in drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.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

---

External links
https://git.kernel.org/stable/c/0deb3eb78ebf225cb41aa9b2b2150f46cbfd359e
https://git.kernel.org/stable/c/5df3b870bc389a1767c72448a3ce1c576ef4deab
https://git.kernel.org/stable/c/68e9963583d11963ceca5d276e9c44684509f759
https://git.kernel.org/stable/c/92c2d914b5337431d885597a79a3a3d9d55e80b7
https://git.kernel.org/stable/c/aaf847dcb4114fe8b25d4c1c790bedcb6088cb3d
https://git.kernel.org/stable/c/eb617dd25ca176f3fee24f873f0fd60010773d67

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?