The vulnerability of the phy_config_inband() function in the drivers/net/phy/phy.c file of the Linux physical layer network driver kernel module allows a hacker to cause a service failure.

The vulnerability of the phyconfiginband function in the drivers/net/phy/phy.c file of the Linux physical layer network driver is related to mutual locking. Exploiting this vulnerability could allow a attacker to cause a service failure...

CVE-2025-39915 net: phy: transfer phy_config_inband() locking responsibility to phylink

In the Linux kernel, the following vulnerability has been resolved: net: phy: transfer phyconfiginband locking responsibility to phylink Problem description =================== Lockdep reports a possible circular locking dependency AB/BA between &pl-statemutex and &phy-lock, as follows...