This update for xen fixes the following issues:
Update to Xen 4.7.5 bug fix only release (bsc#1027519)
Security issues fixed:
CVE-2018-7540: Fixed DoS via non-preemptable L3/L4 pagetable freeing
(XSA-252) (bsc#1080635)
CVE-2018-7541: A grant table v2 -> v1 transition may crash Xen (XSA-255)
(bsc#1080662)
CVE-2017-5753,CVE-2017-5715,CVE-2017-5754 Fixed information leaks via
side effects of speculative execution (XSA-254). Includes Spectre v2
mitigation. (bsc#1074562)
Preserve xen-syms from xen-dbg.gz to allow processing vmcores with
crash(1) (bsc#1087251)
Xen HVM: Fixed unchecked MSR access error (bsc#1072834)
Add script, udev rule and systemd service to watch for vcpu
online/offline events in a HVM domU They are triggered via xl vcpu-set
domU N (fate#324965)
Make sure tools and tools-domU require libs from the very same build