Description
The XenAPI backend in OpenStack Compute (Nova) Folsom, Grizzly, and Havana before 2013.2 does not properly apply security groups (1) when resizing an image or (2) during live migration, which allows remote attackers to bypass intended restrictions.
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 | 2013.2-1 | — |
| Debian 13 | nova | 2013.2-1 | — |
| Debian 12 | nova | 2013.2-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 3 | python-nova +12 | 2013.1.5-2.el6ost | RHSA-2014:0366 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | nova | < 12.0.0a0 | 12.0.0a0 | GHSA-27q4-38qf-m25h |
Advisories 1
- RHSA-2014:0366 Red Hat Security Advisory: openstack-nova security and bug fix update Red Hat Security Advisories (RHSA) · Aug 8, 2026