Referenced CVEs: 
CVE-2006-6107
Description: 
=========================================================== Ubuntu Security Notice USN-401-1 January 04, 2007 dbus vulnerability CVE-2006-6107 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.10 Ubuntu 6.06 LTS Ubuntu 6.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 5.10: dbus 0.36.2-0ubuntu7.1 Ubuntu 6.06 LTS: dbus 0.60-6ubuntu8.1 Ubuntu 6.10: dbus 0.93-0ubuntu3.1 After a standard system upgrade you need to reboot your computer to effect the necessary changes. Details follow: Kimmo Hämäläinen discovered that local users could delete other users' D-Bus match rules. Applications would stop receiving D-Bus messages, resulting in a local denial of service, and potential data loss for applications that depended on D-Bus for storing information.