Also a mitigation for a security flaw has been applied:
CVE-2017-5715: QEMU was updated to allow passing through new MSR and CPUID flags from
the host VM to the CPU, to allow enabling/disabling branch prediction features in the
Intel CPU. (bsc#1068032)
Security fixes have been applied:
CVE-2017-2633: Fix various out of bounds access issues in the QEMU vnc infrastructure (bsc#1026612)