---
title: "CVE-2015-2044\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2015-2044?format=md
keywords: index, follow
---

# CVE-2015-2044

Publication date 12 March 2015

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## 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.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| xen | 15.04 vivid | Fixed 4.5.0-1ubuntu3 |
| 14.10 utopic | Fixed 4.4.1-0ubuntu0.14.10.4 |
| 14.04 LTS trusty | Fixed 4.4.1-0ubuntu0.14.04.4 |
| 12.04 LTS precise | Fixed 4.1.6.1-0ubuntu0.12.04.5 |
| 10.04 LTS lucid | Not in release |
| xen-3.3 | 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2015-2044?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| xen | * Upstream:   <http://xenbits.xen.org/xsa/xsa121.patch> |
| xen-3.3 | * Upstream:   <http://xenbits.xen.org/xsa/xsa121.patch> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2044)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-2044)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-2044)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-2044)

### Other references

* <http://xenbits.xen.org/xsa/advisory-121.html>
* <https://www.cve.org/CVERecord?id=CVE-2015-2044>