Public Date:
910874: CVE-2013-0231 kernel: xen: pciback DoS via not rate limited log messages

The MITRE CVE dictionary describes this issue as:

The pciback_enable_msi function in the PCI backend driver (drivers/xen/pciback/conf_space_capability_msi.c) in Xen for the Linux kernel 2.6.18 and 3.8 allows guest OS users with PCI device access to cause a denial of service via a large number of kernel log messages. NOTE: some of these details are obtained from third party information.

Find out more about CVE-2013-0231 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5. This issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2.

CVSS v2 metrics

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

Base Score 5.2
Base Metrics AV:A/AC:M/Au:S/C:N/I:N/A:C
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

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 version 5 (kernel) RHSA-2013:0747 2013-04-16

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 kernel-xen Affected
Red Hat Enterprise Linux 6 kernel Not affected


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