udev before 1.4.1 does not verify whether a NETLINK message originates from kernel space, which allows local users to gain privileges by sending a NETLINK message from user space.
Affected Platforms
Canonical Ubuntu LinuxUdev Project UdevFedoraproject FedoraSuse Linux Enterprise DebuginfoSuse Linux Enterprise DesktopDebian Debian LinuxOpensuse OpensuseJuniper CtpviewSuse Linux Enterprise Server