CVE-2011-4028 in X Server
Zusammenfassung
von MITRE
The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.