Race condition in workspace/krunner/lock/lockdlg.cc in the KRunner lock module in kdebase in KDE SC 4.4.0 allows physically proximate attackers to bypass KScreenSaver screen locking and access an unattended workstation by pressing the Enter key at a certain time, related to multiple forked processes.
bugs.kde.org/show_bug.cgi?id=226449
secunia.com/advisories/38600
securitytracker.com/id?1023641
websvn.kde.org/?revision=1089213&view=revision
websvn.kde.org/?view=revision&revision=1089241
websvn.kde.org/trunk/KDE/kdebase/workspace/krunner/lock/lockdlg.cc?r1=1089213&r2=1089212&pathrev=1089213
www.kde.org/info/security/advisory-20100217-1.txt
www.openwall.com/lists/oss-security/2010/02/17/3
www.vupen.com/english/advisories/2010/0409
bugs.kde.org/show_bug.cgi?id=217882
bugzilla.novell.com/show_bug.cgi?id=579280
marc.info/?l=oss-security&m=126598163422670&w=2
marc.info/?l=oss-security&m=126599909614401&w=2
marc.info/?l=oss-security&m=126600468622421&w=2