virt:rhel security update

libguestfs
[1:1.38.4-10.0.1]

• Config supermin to use host yum.conf in ol8 [Orabug: 29319324]
• Set DISTRO_ORACLE_LINUX correspeonding to ol
  [1:1.38.4-10.1]
• Fix inspection of partition-less devices
  resolves: rhbz#1714747
  libssh2
  [1.8.0-7.el8_0.1]
• fix integer overflow in keyboard interactive handling that allows out-of-bounds writes (CVE-2019-3863)
• fix integer overflow in SSH packet processing channel resulting in out of bounds write (CVE-2019-3857)
• fix integer overflow in keyboard interactive handling resulting in out of bounds write (CVE-2019-3856)
• fix integer overflow in transport read resulting in out of bounds write (CVE-2019-3855)
  libvirt
  [4.5.0-23.1.0.1.el8]
• added librbd1 as dependency (Keshav Sharma)
  [4.5.0-23.1.el8]
• cpu_x86: Do not cache microcode version (CVE-2018-12130, CVE-2018-12126, CVE-2018-11091, CVE-2018-12127)
• qemu: Don’t cache microcode version (CVE-2018-12130, CVE-2018-12126, CVE-2018-11091, CVE-2018-12127)
• cputest: Add data for Intel® Xeon® CPU E3-1225 v5 (CVE-2018-12130, CVE-2018-12126, CVE-2018-11091, CVE-2018-12127)
• cpu_map: Define md-clear CPUID bit (CVE-2018-12130, CVE-2018-12126, CVE-2018-11091, CVE-2018-12127)
  qemu-kvm
  [2.12.0-64.el8.0.0.2]
• Bump release version to fix the versioning problem (zstream release lower than ystream).
• Resolves: bz#1704545
  (CVE-2018-12126 virt:rhel/qemu-kvm: hardware: Microarchitectural Store Buffer Data Sampling [rhel-8.0.0.z])