CVE-2018-17160: Freebsd

Critical severity, CVSS 10.0. EPSS: 3.3% chance of exploitation in the next 30 days.

In FreeBSD before 11.2-STABLE(r341486) and 11.2-RELEASE-p6, insufficient bounds checking in one of the device models provided by bhyve can permit a guest operating system to overwrite memory in the bhyve host possibly permitting arbitrary code execution. A guest OS using a firmware image can cause the bhyve process to crash, or possibly execute arbitrary code on the host as root.

Affected products

• Freebsd Freebsd: before 11.2 (fixed in 11.2); version 11.2 only

Published 2018-12-04. Last modified 2026-06-17.