kdesktop_lock in kdebase before 3.1.3-5.11 for KDE in Red Hat Enterprise Linux (RHEL) 3 does not properly terminate, which can prevent the screensaver from activating or prevent users from manually locking the desktop.Referenceshttp://secunia.com/advisories/21203http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=177755http://www.redhat.com/support/errata/RHSA-2006-0576.htmlhttp://securitytracker.com/id?1016571https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10535http://www.securityfocus.com/bid/19152