CVE-2015-8914
The IPTables firewall in OpenStack Neutron 7.0.x through 7.0.4 (Liberty) and 8.0.x through 8.1.0 (Mitaka) allows remote attackers to bypass an intended ICMPv6-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a link-local source address.
Source: CVE-2015-8914