---
title: "CVE-2014-1896\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-2014-1896?format=md
keywords: index, follow
---

# CVE-2014-1896

Publication date 1 April 2014

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

The (1) do\_send and (2) do\_recv functions in io.c in libvchan in Xen 4.2.x,
4.3.x, and 4.4-RC series allows local guests to cause a denial of service
or possibly gain privileges via crafted xenstore ring indexes, which
triggers a "read or write past the end of the ring."

[Read the notes from the security team](https://ubuntu.com/security/CVE-2014-1896?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| xen | 13.10 saucy | Fixed 4.3.0-1ubuntu1.3 |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | Not in release |
| xen-3.3 | 13.10 saucy | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Not affected |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [mdeslaur](https://launchpad.net/~mdeslaur)

This is XSA-86
libvchan not packaged in Ubuntu.
4.2+ only

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-1896)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-1896)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-1896)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2014-1896)

### Other references

* <http://lists.xen.org/archives/html/xen-announce/2014-02/msg00004.html>
* <https://www.cve.org/CVERecord?id=CVE-2014-1896>