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CVE Database

CVE-2013-1442

Impact: Moderate
Public: 2013-09-24
Bugzilla: 1006431: CVE-2013-1442 kernel: xen: information leak on AVX and/or LWP capable CPUs

Details

The MITRE CVE dictionary describes this issue as:

Xen 4.0 through 4.3.x, when using AVX or LWP capable CPUs, does not properly clear previous data from registers when using an XSAVE or XRSTOR to extend the state components of a saved or restored vCPU after touching other restored extended registers, which allows local guest OSes to obtain sensitive information by reading the registers.

Find out more about CVE-2013-1442 from the MITRE CVE dictionary and NIST NVD.

Statement

Not vulnerable.

This issue did not 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 as we did 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: 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

External References

http://xenbits.xen.org/xsa/advisory-62.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.