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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| nova(PyPI) | 0 | 12.0.0a0 | N/A |
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