Red Hat Security Advisory 2014-1785-01 – OpenStack Networking is a pluggable, scalable, and API-driven system that provisions networking services to virtual machines. Its main function is to manage connectivity to and from virtual machines. As of Red Hat Enterprise Linux OpenStack Platform 4.0, ‘neutron’ replaces ‘quantum’ as the core component of OpenStack Networking. It was discovered that unprivileged users could in some cases reset admin-only network attributes to their default values. This could lead to unexpected behavior or in some cases result in a denial of service.