Mandriva Linux Security Advisory 2009-104 – 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. The updated packages have been patched to prevent this.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/77207/MDVSA-2009-104.txt
Source: https://packetstormsecurity.com/files/77207/Mandriva-Linux-Security-Advisory-2009-104.html