SB2025072756 - Improper locking in Linux kernel net usb driver
Published: July 27, 2025
Security Bulletin ID
SB2025072756
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) Improper locking (CVE-ID: CVE-2025-38385)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the lan78xx_disconnect() function in drivers/net/usb/lan78xx.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/17a37b9a5dd945d86110838fb471e7139ba993a2
- https://git.kernel.org/stable/c/510a6095d754df9d727f644ec5076b7929d6c9ea
- https://git.kernel.org/stable/c/6c7ffc9af7186ed79403a3ffee9a1e5199fc7450
- https://git.kernel.org/stable/c/7135056a49035597198280820c61b8c5dbe4a1d0
- https://git.kernel.org/stable/c/968a419c95131e420f12bbdba19e96e2f6b071c4