D-Bus 1.4.x through 1.6.x before 1.6.30, 1.8.x before 1.8.16, and 1.9.x before 1.9.10 does not validate the source of ActivationFailure signals, which allows local users to cause a denial of service (activation failure error returned) by leveraging a race condition involving sending an ActivationFailure signal before systemd responds.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "dbus-1-doc": "1.6.18-0ubuntu4.4", "libdbus-1-3": "1.6.18-0ubuntu4.4", "dbus-dbgsym": "1.6.18-0ubuntu4.4", "libdbus-1-dev-dbgsym": "1.6.18-0ubuntu4.4", "dbus": "1.6.18-0ubuntu4.4", "dbus-1-dbg": "1.6.18-0ubuntu4.4", "dbus-x11": "1.6.18-0ubuntu4.4", "libdbus-1-3-dbgsym": "1.6.18-0ubuntu4.4", "libdbus-1-dev": "1.6.18-0ubuntu4.4", "dbus-x11-dbgsym": "1.6.18-0ubuntu4.4" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "dbus-1-doc": "1.10.6-1ubuntu3", "libdbus-1-3": "1.10.6-1ubuntu3", "dbus-udeb-dbgsym": "1.10.6-1ubuntu3", "dbus-udeb": "1.10.6-1ubuntu3", "libdbus-1-3-udeb-dbgsym": "1.10.6-1ubuntu3", "dbus": "1.10.6-1ubuntu3", "libdbus-1-3-dbgsym": "1.10.6-1ubuntu3", "libdbus-1-dev": "1.10.6-1ubuntu3", "dbus-user-session": "1.10.6-1ubuntu3", "dbus-tests": "1.10.6-1ubuntu3", "libdbus-1-3-udeb": "1.10.6-1ubuntu3", "libdbus-1-dev-dbgsym": "1.10.6-1ubuntu3", "dbus-tests-dbgsym": "1.10.6-1ubuntu3", "dbus-1-dbg": "1.10.6-1ubuntu3", "dbus-x11": "1.10.6-1ubuntu3", "dbus-dbgsym": "1.10.6-1ubuntu3", "dbus-x11-dbgsym": "1.10.6-1ubuntu3" } ] }