Public Date:
906323: CVE-2013-0215 xen: oxenstored incorrect handling of certain Xenbus ring states

The MITRE CVE dictionary describes this issue as:

oxenstored in Xen 4.1.x, Xen 4.2.x, and xen-unstable does not properly consider the state of the Xenstore ring during read operations, which allows guest OS users to cause a denial of service (daemon crash and host-control outage, or memory consumption) or obtain sensitive control-plane data by leveraging guest administrative access.

Find out more about CVE-2013-0215 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of the xen package as shipped with Red Hat Enterprise Linux 5.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4.1
Base Metrics AV:A/AC:L/Au:S/C:P/I:N/A:P
Access Vector Adjacent Network
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial

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

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 xen Not affected


Red Hat would like to thank the Xen project for reporting this issue.