---
id: CVE-2012-5625
title: 'Openstack nova: information leak in libvirt lvm-backed instances'
summary: >-
  OpenStack Compute (Nova) Folsom before 2012.2.2 and Grizzly, when using
  libvirt and LVM backed instances, does not properly clear physical volume (PV)
  content when reallocating for instances, which allows attackers to obtain
  sensitive in…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-212
vendor: Red Hat
product: openstack-nova
affected:
  - openstack-nova (all versions)
  - openstack-nova
  - openstack-nova
  - openstack-nova
published: '2012-12-26'
updated: '2026-10-30'
sourceUpdated: '2026-10-30T18:03:44.974Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2012-5625'
references:
  - url: 'http://osvdb.org/88419'
  - url: 'http://rhn.redhat.com/errata/RHSA-2013-0208.html'
  - url: 'http://www.openwall.com/lists/oss-security/2012/12/11/5'
  - url: 'http://www.securityfocus.com/bid/56904'
  - url: 'http://www.ubuntu.com/usn/USN-1663-1'
  - url: 'https://access.redhat.com/errata/RHSA-2013:0208'
    label: 'RHSA-2013:0208'
  - url: 'https://access.redhat.com/security/cve/CVE-2012-5625'
  - url: 'https://bugs.launchpad.net/nova/+bug/1070539'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=884293'
  - url: >-
      https://github.com/openstack/nova/commit/9d2ea970422591f8cdc394001be9a2deca499a5f
  - url: >-
      https://github.com/openstack/nova/commit/a99a802e008eed18e39fc1d98170edc495cbd354
  - url: 'https://launchpad.net/nova/folsom/2012.2.2'
tags:
  - cve.org
epss: 0.01339
epssPercentile: 0.71459
ingestedAt: '2026-11-05T16:24:31.292Z'
---

## Overview

OpenStack Compute (Nova) Folsom before 2012.2.2 and Grizzly, when using libvirt and LVM backed instances, does not properly clear physical volume (PV) content when reallocating for instances, which allows attackers to obtain sensitive information by reading the memory of the previous logical volume (LV).

## Affected

- `openstack-nova (all versions)`
- `openstack-nova`
- `openstack-nova`
- `openstack-nova`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

### Workarounds

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.