SUSE-SU-2018:1456-1 Security update for xen

This update for xen fixes the following issues: Security issues fixed: - CVE-2018-3639: Spectre V4 – Speculative Store Bypass aka 'Memory Disambiguation' bsc1092631 This feature can be controlled by the 'ssbd=on/off' commandline flag for the XEN hypervisor. - CVE-2018-10982: x86 vHPET interrupt...