Race condition in backend/ctrl.c in KDM in KDE Software Compilation (SC) 2.2.0 through 4.4.2 allows local users to change the permissions of arbitrary files, and consequently gain privileges, by blocking the removal of a certain directory that contains a control socket, related to improper interaction with ksm.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9999
https://exchange.xforce.ibmcloud.com/vulnerabilities/57823
https://bugzilla.redhat.com/show_bug.cgi?id=570613
http://www.vupen.com/english/advisories/2010/0879
http://www.securityfocus.com/bid/39467
http://www.kde.org/info/security/advisory-20100413-1.txt
http://www.debian.org/security/2010/dsa-2037
http://secunia.com/advisories/39506
http://secunia.com/advisories/39481
http://secunia.com/advisories/39419
http://rhn.redhat.com/errata/RHSA-2010-0348.html
http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00002.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-April/039533.html