VULNERABILITY INTELLIGENCE

CVE-2018-17160

CVSS score10 CRITICAL

EPSS probability3.35%

CISA KEVNot currently listed

Published2018-12-04

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Description

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.

Weakness classification

CWE-787: Out-of-bounds Write

Primary references

secteam@freebsd.org — Third Party Advisory, VDB Entry
secteam@freebsd.org — Mitigation, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Patch, Vendor Advisory