Public Date:
1043106: CVE-2013-6437 openstack-nova: DoS through ephemeral disk backing files

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2013-6437 from the MITRE CVE dictionary dictionary and NIST NVD.


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:

CVSS v2 metrics

Base Score 4
Base Metrics AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux OpenStack Platform 4.0 (openstack-nova) RHSA-2014:0231 2014-03-04

Affected Packages State

Platform Package State
Red Hat Enterprise Linux OpenStack Platform 3.0 openstack-nova Will not fix


Red Hat would like to thank the OpenStack project for reporting this issue. Upstream acknowledges Phil Day from HP as the original reporter.

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