CVE-2013-6437
OpenStack Nova DoS through ephemeral disk backing files
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.
Exploit likelihood
What each source reports
NVD Score used
4.0
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.
- Record
CVE-2013-6437- CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-6437- Updated
- 2026-11-02
EUVDEUVD-2022-4213 No score
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.
- Record
EUVD-2022-4213- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hrv9-4x4c-9jc8 No score
OpenStack Nova DoS through ephemeral disk backing files
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.
- Record
GHSA-hrv9-4x4c-9jc8- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2013-6437- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-6437 No score
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.
- Record
DEBIAN-CVE-2013-6437- Updated
- 2026-11-02
OSVGHSA-hrv9-4x4c-9jc8 No score
OpenStack Nova DoS through ephemeral disk backing files
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.
- Record
GHSA-hrv9-4x4c-9jc8- Updated
- 2026-11-02
OSVPYSEC-2026-874 No score
OpenStack Nova DoS through ephemeral disk backing files
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.
- Record
PYSEC-2026-874- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
novaPyPI |
before 12.0.0a0 | 12.0.0a0 |
novaDebian:12 |
before 2013.2.2 | 2013.2.2 |
novaDebian:13 |
before 2013.2.2 | 2013.2.2 |
novaDebian:14 |
before 2013.2.2 | 2013.2.2 |
openstack-novaRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
openstack-nova-apiRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
openstack-nova-cellsRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
openstack-nova-certRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
openstack-nova-commonRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
openstack-nova-computeRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
Show 8 moreShow less
| Package | Affected | Fixed |
|---|---|---|
openstack-nova-conductorRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
openstack-nova-consoleRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
openstack-nova-docRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
openstack-nova-networkRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
openstack-nova-novncproxyRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
openstack-nova-objectstoreRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
openstack-nova-schedulerRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
python-novaRed Hat:openstack:4::el6 From an advisory covering 4 CVEs |
before 0:2013.2.2-2.el6ost | 0:2013.2.2-2.el6ost |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-6437 is a medium vulnerability (CVSS 4.0) in Openstack Nova, published March 6, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.04%, the 81st percentile. Fixed in nova 12.0.0a0.
References
rhn.redhat.com/errata/RHSA-2014-0231.html
lists.openstack.org/pipermail/openstack-announce/2013-December/000179.html
bugs.launchpad.net/nova/+bug/1253980
nvd.nist.gov/vuln/detail/CVE-2013-6437
github.com/openstack/nova/commit/3e451f1bac57d24e47171cffb3ad59bb1610d836
github.com/openstack/nova/commit/6e455cd97f04bf26bbe022be17c57e089cf502f4
Show 30 moreShow less
github.com/openstack/nova/commit/ca38774ebcf5b67d16c202c8f218c0c433973ca9
github.com/advisories/GHSA-hrv9-4x4c-9jc8
security-tracker.debian.org/tracker/CVE-2013-6437
github.com/openstack/nova
pypi.org/project/nova
access.redhat.com/errata/RHSA-2014:0231
access.redhat.com/security/updates/classification
bugzilla.redhat.com/show_bug.cgi?id=1020979
bugzilla.redhat.com/show_bug.cgi?id=1039148
bugzilla.redhat.com/show_bug.cgi?id=1039554
bugzilla.redhat.com/show_bug.cgi?id=1040786
bugzilla.redhat.com/show_bug.cgi?id=1043106
bugzilla.redhat.com/show_bug.cgi?id=1047849
bugzilla.redhat.com/show_bug.cgi?id=1047863
bugzilla.redhat.com/show_bug.cgi?id=1055400
bugzilla.redhat.com/show_bug.cgi?id=1060771
bugzilla.redhat.com/show_bug.cgi?id=1062377
bugzilla.redhat.com/show_bug.cgi?id=1065317
security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0231.json
access.redhat.com/security/cve/CVE-2013-6419
cve.org/CVERecord?id=CVE-2013-6419
nvd.nist.gov/vuln/detail/CVE-2013-6419
access.redhat.com/security/cve/CVE-2013-6437
cve.org/CVERecord?id=CVE-2013-6437
access.redhat.com/security/cve/CVE-2013-7048
cve.org/CVERecord?id=CVE-2013-7048
nvd.nist.gov/vuln/detail/CVE-2013-7048
access.redhat.com/security/cve/CVE-2013-7130
cve.org/CVERecord?id=CVE-2013-7130
nvd.nist.gov/vuln/detail/CVE-2013-7130