Security update for Xen

Open Source Vulnerabilities SUSE-SU-2015:0940-1

This update fixes the following security issues in Xen: * CVE-2012-5510: Grant table version switch list corruption vulnerability (XSA-26) * CVE-2012-5511: Several HVM operations do not validate the range of their inputs (XSA-27) * CVE-2012-5513: XENMEM_exchange may overwrite hypervisor memory (XSA-29) * CVE-2012-5514: Missing unlock in guest_physmap_mark_populate_on_demand() (XSA-30) * CVE-2012-5515: Several memory hypercall operations allow invalid extent order values (XSA-31) Also the following fix has been applied: * bnc#777628 - guest 'disappears' after live migration Updated block-dmmd script Security Issues references: * CVE-2012-5513 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5513> * CVE-2012-5514 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5514> * CVE-2012-5511 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5511> * CVE-2012-5510 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5510> * CVE-2012-5515 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5515>