The libvirt driver in OpenStack Compute (Nova) before 2013.2.2 and icehouse before icehouse-2 allows remote authenticated users to cause a denial of service (disk consumption) by creating and deleting instances with unique os_type settings, which triggers the creation of a new ephemeral disk backing file.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Nova | Openstack | 2013.1 (including) | 2013.1.5 (excluding) |
| Nova | Openstack | 2013.2 (including) | 2013.2.2 (excluding) |
| Nova | Openstack | 2014.1-milestone1 (including) | 2014.1-milestone1 (including) |