SB2025070495 - Use of uninitialized resource in Linux kernel usb renesas_usbhs driver
Published: July 4, 2025
Security Bulletin ID
SB2025070495
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of uninitialized resource (CVE-ID: CVE-2025-38136)
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.
Remediation
Install update from vendor's website.
References
- 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