#VU112248 Use of uninitialized resource in Linux kernel - CVE-2025-38136

Vulnerability identifier: #VU112248

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-2025-38136

CWE-ID: CWE-908

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 use of uninitialized resource within the usbhs_probe() and usbhs_fifo_remove() functions in drivers/usb/renesas_usbhs/common.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/095cc0b5888acc228f12344e85b17539b9ce9367
https://git.kernel.org/stable/c/0a1e16a6cbf4452b46f20b862d6141a1e90844ee
https://git.kernel.org/stable/c/155453ada562c450a4ff5fcf4852b9fa5b6b793a
https://git.kernel.org/stable/c/1637623ad6205162b17804d07512e6f4cbd2a050
https://git.kernel.org/stable/c/6bab152e817fd41b9e178fa6b275354795c9703d
https://git.kernel.org/stable/c/d4c368e4a638ddf4a9d6d687b0ff691aa46cce53
https://git.kernel.org/stable/c/db96a4fd8614d47c0def265e0e6c996b0ee52a38
https://git.kernel.org/stable/c/ffb34a60ce86656ba12d46e91f1ccc71dd221251

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?