CVE-2014-1666

Impact:
Important
Public Date:
2014-01-24
Bugzilla:
1058395: CVE-2014-1666 xen: PHYSDEVOP_{prepare,release}_msix exposed to unprivileged guests

The MITRE CVE dictionary describes this issue as:

The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors.

Find out more about CVE-2014-1666 from the MITRE CVE dictionary 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 6.5
Base Metrics AV:A/AC:H/Au:S/C:C/I:C/A:C
Access Vector Adjacent Network
Access Complexity High
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

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.

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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