OpenStack Neutron is vulnerable to denial of service (DoS) attacks. This allows remote attackers to send DHCP discovery message bypassing intended DHCP- spoofing protection mechanism which leads to modify, stop or simply sniff all the traffic leading to an application crash.
www.openwall.com/lists/oss-security/2016/06/10/5
www.openwall.com/lists/oss-security/2016/06/10/6
access.redhat.com/errata/RHSA-2016:1473
access.redhat.com/errata/RHSA-2016:1474
access.redhat.com/security/updates/classification/#low
bugs.launchpad.net/neutron/+bug/1558658
bugzilla.redhat.com/show_bug.cgi?id=1330778
review.openstack.org/#/c/300202/
review.openstack.org/#/c/303563/
review.openstack.org/#/c/303572/
rhn.redhat.com/errata/RHSA-2016-1473.html
security.openstack.org/ossa/OSSA-2016-009.html