CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via
side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks
(bsc#1074562, bsc#1068032)
CVE-2017-15595: x86 PV guest OS users were able to cause a DoS (unbounded
recursion, stack consumption, and hypervisor crash) or possibly gain privileges
via crafted page-table stacking (bsc#1061081)
CVE-2017-17566: Prevent PV guest OS users to cause a denial of service (host
OS crash) or gain host OS privileges in shadow mode by mapping a certain
auxiliary page (bsc#1070158).
CVE-2017-17563: Prevent guest OS users to cause a denial of service (host OS
crash) or gain host OS privileges by leveraging an incorrect mask for
reference-count overflow checking in shadow mode (bsc#1070159).
CVE-2017-17564: Prevent guest OS users to cause a denial of service (host OS
crash) or gain host OS privileges by leveraging incorrect error handling for
reference counting in shadow mode (bsc#1070160).
CVE-2017-17565: Prevent PV guest OS users to cause a denial of service (host
OS crash) if shadow mode and log-dirty mode are in place, because of an
incorrect assertion related to M2P (bsc#1070163).
CVE-2018-5683: The vgadrawtext function allowed local OS guest privileged
users to cause a denial of service (out-of-bounds read and QEMU process crash)
by leveraging improper memory address validation (bsc#1076116).
CVE-2017-18030: The cirrusinvalidateregion function allowed local OS guest
privileged users to cause a denial of service (out-of-bounds array access and
QEMU process crash) via vectors related to negative pitch (bsc#1076180).
These non-security issues were fixed:
bsc#1051729: Prevent invalid symlinks after install of SLES 12 SP2
bsc#1035442: Increased the value of LIBXLDESTROYTIMEOUT from 10 to 100
seconds. If many domUs shutdown in parallel the backends couldn't keep up