qemu-kvm security update

1.5.3-156.el75.1 - kvm-vga-add-ramaddrt-cast.patch bz1567913 - kvm-vga-fix-region-calculation.patch bz1567913 - Resolves: bz1567913 CVE-2018-7858 qemu-kvm: Qemu: cirrus: OOB access when updating vga display rhel-7 rhel-7.5.z...