Updated xen packages fix security vulnerability

This xen update is based on upstream 4.5.5 maintenance release, and fixes the following security issues: The qemu implementation in libvirt before 1.3.0 and Xen allows local guest OS users to cause a denial of service host disk consumption by writing to stdout or stderr CVE-2014-3672 The xrstor...

CVE-2016-4963

The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service management tool confusion by manipulating information in the backend directories in xenstore...

CVE-2016-4963

The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service management tool confusion by manipulating information in the backend directories in xenstore...

CVE-2016-4963

The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service management tool confusion by manipulating information in the backend directories in xenstore...