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CVE Database

CVE-2013-1952

Impact: Moderate
Public: 2013-05-02
Bugzilla: 956309: CVE-2013-1952 kernel: xen: VT-d interrupt remapping source validation flaw for bridges
IAVA: 2013-B-0048

Details

The MITRE CVE dictionary describes this issue as:

Xen 4.x, when using Intel VT-d for a bus mastering capable PCI device, does not properly check the source when accessing a bridge device's interrupt remapping table entries for MSI interrupts, which allows local guest domains to cause a denial of service (interrupt injection) via unspecified vectors.

Find out more about CVE-2013-1952 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 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: 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 Instance
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

External References

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.