dbus vulnerabilities

Simon McVittie discovered that DBus incorrectly handled the file
descriptors message limit. A local attacker could use this issue to cause
DBus to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue only applied to Ubuntu 12.04 LTS and Ubuntu
14.04 LTS. (CVE-2014-3635)

Alban Crequy discovered that DBus incorrectly handled a large number of
file descriptor messages. A local attacker could use this issue to cause
DBus to stop responding, resulting in a denial of service. This issue only
applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-3636)

Alban Crequy discovered that DBus incorrectly handled certain file
descriptor messages. A local attacker could use this issue to cause DBus
to maintain persistent connections, possibly resulting in a denial of
service. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.
(CVE-2014-3637)

Alban Crequy discovered that DBus incorrectly handled a large number of
parallel connections and parallel message calls. A local attacker could use
this issue to cause DBus to consume resources, possibly resulting in a
denial of service. (CVE-2014-3638)

Alban Crequy discovered that DBus incorrectly handled incomplete
connections. A local attacker could use this issue to cause DBus to fail
legitimate connection attempts, resulting in a denial of service.
(CVE-2014-3639)