openstack-nova: DoS through ephemeral disk backing files
Published Mar 6, 2014
4.0
MEDIUMCVSS 2.0
EPSS 2.04%
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.
Affected products
No data.
No data.
OpenStack 4 for RHEL 6
openstack-nova-0:2013.2.2-2.el6ost
Fixed · RHSA-2014:0231
Red Hat OpenStack Platform 3
openstack-nova
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| OpenStack 4 for RHEL 6 | openstack-nova-0:2013.2.2-2.el6ost | Fixed | RHSA-2014:0231 |
| Red Hat OpenStack Platform 3 | openstack-nova | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having moderate security impact in Red Hat OpenStack Platform 3.0. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.04% (0.02037) | 80.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.02% (0.02020) | 78.34th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.44% (0.00438) | 60.93th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00209) | 59.81th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.21% (0.00209) | 59.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00209) | 57.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.06% (0.01061) | 52.82th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.06% (0.01061) | 52.27th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.23% (0.01232) | 66.57th | v2 (v2022.01.01) |
| Sep 19, 2022 | 1.06% (0.01061) | 51.19th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.06% (0.01061) | 49.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.06% (0.01061) | 28.23th | v2 (v2022.01.01) |
References (11)
- http://lists.openstack.org/pipermail/openstack-announce/2013-December/000179.html mailing-listx_refsource_MLISTPatchVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2014-0231.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2013-6437 Vendor Advisory
- https://bugs.launchpad.net/nova/+bug/1253980 x_refsource_CONFIRMThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1043106 Issue Tracking
- https://github.com/advisories/GHSA-hrv9-4x4c-9jc8 Advisory
- https://github.com/openstack/nova/commit/3e451f1bac57d24e47171cffb3ad59bb1610d836
- https://github.com/openstack/nova/commit/6e455cd97f04bf26bbe022be17c57e089cf502f4
- https://github.com/openstack/nova/commit/ca38774ebcf5b67d16c202c8f218c0c433973ca9
- https://nvd.nist.gov/vuln/detail/CVE-2013-6437
- https://www.cve.org/CVERecord?id=CVE-2013-6437
| Link | Providers | Tags |
|---|---|---|
| http://lists.openstack.org/pipermail/openstack-announce/2013-December/000179.html | mailing-listx_refsource_MLISTPatchVendor Advisory | |
| http://rhn.redhat.com/errata/RHSA-2014-0231.html | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2013-6437 | Vendor Advisory | |
| https://bugs.launchpad.net/nova/+bug/1253980 | x_refsource_CONFIRMThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1043106 | Issue Tracking | |
| https://github.com/advisories/GHSA-hrv9-4x4c-9jc8 | Advisory | |
| https://github.com/openstack/nova/commit/3e451f1bac57d24e47171cffb3ad59bb1610d836 | ||
| https://github.com/openstack/nova/commit/6e455cd97f04bf26bbe022be17c57e089cf502f4 | ||
| https://github.com/openstack/nova/commit/ca38774ebcf5b67d16c202c8f218c0c433973ca9 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2013-6437 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-6437 |
Change history (0)
No recorded changes yet.