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CVE Database

CVE-2013-4368

Impact: Moderate
Public: 2013-10-10
Bugzilla: 1012550: CVE-2013-4368 xen: information leak through outs instruction emulation (XSA-67)

Details

The MITRE CVE dictionary describes this issue as:

The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register.

Find out more about CVE-2013-4368 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 2.3
Base Metrics: AV:A/AC:M/Au:S/C:P/I:N/A:N
Access Vector: Adjacent Network
Access Complexity: Medium
Authentication: Single Instance
Confidentiality Impact: Partial
Integrity Impact: None
Availability Impact: None

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-2013:1449 October 22, 2013

External References

http://xenbits.xen.org/xsa/advisory-67.html

Acknowledgements

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

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.