Description
The instance rescue mode in OpenStack Compute (Nova) 2013.2 before 2013.2.3 and Icehouse before 2014.1, when using libvirt to spawn images and use_cow_images is set to false, allows remote authenticated users to read certain compute host files by overwriting an instance disk with a crafted image.
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 | 2013.2.2-4 | — |
| Debian 13 | nova | 2013.2.2-4 | — |
| Debian 12 | nova | 2013.2.2-4 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 4 | python-nova +13 | 2013.2.3-7.el6ost | RHSA-2014:0578 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | nova | < 12.0.0a0 | 12.0.0a0 | GHSA-w429-xc55-hc48 |
Advisories 1
- RHSA-2014:0578 Red Hat Security Advisory: openstack-nova security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 1, 2026