Race condition in OpenStack Neutron before 2014.2.4 and 2015.1 before 2015.1.2, when using the ML2 plugin or the security groups AMQP API, allows remote authenticated users to bypass IP anti-spoofing controls by changing the device owner of a port to start with network: before the security group rules are applied.
| Software | From | Fixed in |
|---|---|---|
| openstack / neutron | 2015.1.1 | 2015.1.1.x |
| openstack / neutron | 2014.2.3 | 2014.2.3.x |
| openstack / neutron | 2015.1.0 | 2015.1.0.x |