This update for xen fixes the following issues: Security issues fixed: - CVE-2018-12891: Fix preemption checks bypass in x86 PV MM handling . - CVE-2018-12892: Fix libxl failure to honour readonly flag on HVM emulated SCSI disks . - CVE-2018-12893: Fix #DB exception safety check that could be triggered by a guest . - CVE-2018-11806: Fix heap buffer overflow while reassembling fragmented datagrams . - CVE-2018-3665: Fix lazy FP Save/Restore . Bug fixes: - bsc#1027519: Update to Xen 4.7.6 bug fix only release. - bsc#1087289: Xen BUG at sched_credit.c:1663. - bsc#1094725: `virsh blockresize` does not work with Xen qdisks.