---
title: "CVE-2011-1166\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-2011-1166?format=md
keywords: index, follow
---

# CVE-2011-1166

Publication date 7 January 2014

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

Toggle side navigation

## Description

Xen, possibly before 4.0.2, allows local 64-bit PV guests to cause a denial
of service (host crash) by specifying user mode execution without user-mode
pagetables.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2011-1166?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| xen | 13.10 saucy | Not affected |
| 13.04 raring | Not affected |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Not affected |
| 11.10 oneiric | Not affected |
| 11.04 natty | Not in release |
| 10.10 maverick | Not in release |
| 10.04 LTS lucid | Not in release |
| 8.04 LTS hardy | Not in release |
| xen-3.1 | 13.10 saucy | Not in release |
| 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 11.04 natty | Not in release |
| 10.10 maverick | Not in release |
| 10.04 LTS lucid | Not in release |
| 8.04 LTS hardy | Ignored end of life |
| xen-3.2 | 13.10 saucy | Not in release |
| 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 11.04 natty | Not in release |
| 10.10 maverick | Not in release |
| 10.04 LTS lucid | Not in release |
| 8.04 LTS hardy | Ignored end of life |
| xen-3.3 | 13.10 saucy | Not in release |
| 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 11.04 natty | Ignored end of life |
| 10.10 maverick | Ignored end of life |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | Not in release |

---

* [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-2011-1166?format=md#patch-details)

## Notes

---

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

for full-virtualization issues, add qemu (and kvm)

### 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 | * Vendor:   <http://www.debian.org/security/2011/dsa-2337> |
| xen-3.2 | * Upstream:   <http://xenbits.xen.org/hg/staging/xen-unstable.hg/rev/c79aae866ad8> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1166)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-1166)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-1166)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-1166)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2011-1166>