CVE-2014-1666 Information

Description

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.

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127580.html http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127607.html http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html http://osvdb.org/102536 http://secunia.com/advisories/56650 http://security.gentoo.org/glsa/glsa-201407-03.xml http://support.citrix.com/article/CTX200288 http://www.openwall.com/lists/oss-security/2014/01/24/6 http://www.securityfocus.com/bid/65125 http://www.securitytracker.com/id/1029684 http://xenbits.xen.org/xsa/advisory-87.html http://xenbits.xen.org/xsa/xsa87-unstable-4.3.patch https://exchange.xforce.ibmcloud.com/vulnerabilities/90675