This update for xen to version 4.7.2 fixes the following issues: These security issues were fixed: - CVE-2017-7228: Broken check in memory_exchange permited PV guest breakout . - XSA-206: Unprivileged guests issuing writes to xenstore were able to stall progress of the control domain or driver domain, possibly leading to a Denial of Service of the entire host . - CVE-2017-6505: The ohci_service_ed_list function in hw/usb/hcd-ohci.c allowed local guest OS users to cause a denial of service via vectors involving the number of link endpoint list descriptors . These non-security issues were fixed: - bsc#1015348: libvirtd didn"t not start during boot - bsc#1014136: kdump couldn"t dump a kernel on SLES12-SP2 with Xen hypervisor. - bsc#1026236: Fixed paravirtualized performance - bsc#1022555: Timeout in execution of /etc/xen/scripts/block add - bsc#1029827: Forward port xenstored - bsc#1029128: Make xen to really produce xen.efi with gcc48