This feature can be controlled by the 'ssbd=on/off' commandline flag for the XEN hypervisor. - CVE-2018-10982: x86 vHPET interrupt injection errors (XSA-261 bsc#1090822) - CVE-2018-10981: qemu may drive Xen into unbounded loop (XSA-262 bsc#1090823)
Other bugfixes:
- Upstream patches from Jan (bsc#1027519) - additional fixes related to Page Table Isolation (XPTI). (bsc#1074562 XSA-254) - qemu-system-i386 cannot handle more than 4 HW NICs (bsc#1090296)