SB2025111333 - Improper error handling in Linux kernel net usb driver
Published: November 13, 2025
Security Bulletin ID
SB2025111333
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 error handling (CVE-ID: CVE-2025-40189)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the lan78xx_read_raw_eeprom() 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.