CVE-2013-4356

Impact:
Low
Public Date:
2013-09-30
Bugzilla:
1009553: CVE-2013-4356 Kernel: Xen: Xsa-64: memory leak by 64bit PV guests under live migration

The MITRE CVE dictionary describes this issue as:

Xen 4.3.x writes hypervisor mappings to certain shadow pagetables when live migration is performed on hosts with more than 5TB of RAM, which allows local 64-bit PV guests to read or write to invalid memory and cause a denial of service (crash).

Find out more about CVE-2013-4356 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5. This issue does not affect the versions of the Linux kernel package as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as it does not have support for Xen hypervisor.

CVSS v2 metrics

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

Base Score 1
Base Metrics AV:L/AC:H/Au:S/C:P/I:N/A:N
Access Vector Local
Access Complexity High
Authentication Single
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

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 kernel-xen Not affected

Acknowledgements

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