Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nova | 2013.2.2 | — |
| Debian 13 | nova | 2013.2.2 | — |
| Debian 12 | nova | 2013.2.2 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 4 | python-nova +13 | 2013.2.2-2.el6ost | RHSA-2014:0231 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | nova | < 12.0.0a0 | 12.0.0a0 | GHSA-hrv9-4x4c-9jc8 |
Advisories 1
- RHSA-2014:0231 Red Hat Security Advisory: openstack-nova security and bug fix update Red Hat Security Advisories (RHSA) · Aug 8, 2026