SB20250704106 - Out-of-bounds write in Linux kernel net phy driver
Published: July 4, 2025
Security Bulletin ID
SB20250704106
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2025-38110)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to an out-of-bounds write within the __mdiobus_c45_read() and __mdiobus_c45_write() functions in drivers/net/phy/mdio_bus.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.