PT-2025-49658

In the Linux kernel, the following vulnerability has been resolved: ethtool: Fix uninitialized number of lanes It is not possible to set the number of lanes when setting link modes using the legacy IOCTL ethtool interface. Since 'struct ethtool link ksettings' is not initialized in this path,...

CVE-2025-21921 net: ethtool: netlink: Allow NULL nlattrs when getting a phy_device

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: netlink: Allow NULL nlattrs when getting a phydevice ethnlreqgetphydev is used to lookup a phydevice, in the case an ethtool netlink command targets a specific phydev within a netdev's topology. It takes as a...

kernel: ethtool: ioctl: fix potential NULL deref in ethtool_set_coalesce()

A vulnerability was found in the Linux kernel's ethtool implementation in the ioctl handling of coalesce settings, where the system attempts to change coalesce settings using the ethtoolsetcoalesce function without verifying the availability of both the .getcoalesce and .setcoalesce callbacks,...