Race condition in the virNetServerClientStartKeepAlive function in libvirt before 1.2.1 allows remote attackers to cause a denial of service (libvirtd crash) by closing a connection before a keepalive response is sent.
libvirt.org/news.html
lists.opensuse.org/opensuse-updates/2014-02/msg00060.html
lists.opensuse.org/opensuse-updates/2014-02/msg00062.html
rhn.redhat.com/errata/RHSA-2014-0103.html
secunia.com/advisories/56321
secunia.com/advisories/56446
secunia.com/advisories/60895
security.gentoo.org/glsa/glsa-201412-04.xml
www.debian.org/security/2014/dsa-2846
www.securitytracker.com/id/1029695
www.ubuntu.com/usn/USN-2093-1
bugzilla.redhat.com/show_bug.cgi?id=1047577