OPNSense/src bf74bfa. UPDATING, sys/conf newvers.sh

Fix insufficient bounds checking in bhyve(8) device model. [SA-18:14.bhyve]

Submitted by:   jhb
Reported by:    Reno Robert
Approved by:    so
Security:       FreeBSD-SA-18:14.bhyve
Security:       CVE-2018-17160
DeltaFile
+15-14usr.sbin/bhyve/fwctl.c
+5-0UPDATING
+1-1sys/conf/newvers.sh
+21-153 files

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