Mandriva Linux Security Advisory MDKSA-2006-083: A race condition in daemon/slave.c in gdm before 2.14.1 allows local users to gain privileges via a symlink attack when gdm performs chown and chgrp operations on the .ICEauthority file.
c90214e085a14ed4de53d0d36a90b73a0a7d631d365ebd0781eb92e21a618290