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.
https://www.redhat.com/archives/fedora-announce-list/2006-April/msg00160.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10092
https://exchange.xforce.ibmcloud.com/vulnerabilities/26092
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=188303
http://www.vupen.com/english/advisories/2006/1465
http://www.securityfocus.com/bid/17635
http://www.redhat.com/support/errata/RHSA-2007-0286.html
http://www.mandriva.com/security/advisories?name=MDKSA-2006:083
http://www.debian.org/security/2006/dsa-1040
http://cvs.gnome.org/viewcvs/gdm2/daemon/slave.c?r1=1.260&r2=1.261