---
title: "CVE-2013-7441\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-2013-7441?format=md
keywords: index, follow
---

# CVE-2013-7441

Publication date 29 May 2015

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

Toggle side navigation

## Description

The modern style negotiation in Network Block Device (nbd-server) 2.9.22
through 3.3 allows remote attackers to cause a denial of service (root
process termination) by (1) closing the connection during negotiation or
(2) specifying a name for a non-existent export.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| nbd | 15.04 vivid | Not affected |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not affected |
| 12.04 LTS precise | Fixed 1:2.9.25-2ubuntu1.1 |

---

* [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-2013-7441?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 |
| --- | --- |
| nbd | * Upstream:   [741495c](https://github.com/yoe/nbd/commit/741495cb08503fd32a9d22648e63b64390c601f4) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7441)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-7441)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-7441)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-7441)

### Related Ubuntu Security Notices (USN)

+ [USN-2676-1](https://usn.ubuntu.com/USN-2676-1)
+ NBD vulnerabilities
+ 22 July 2015

### Other references

* <http://www.openwall.com/lists/oss-security/2015/05/19/6>
* <https://www.cve.org/CVERecord?id=CVE-2013-7441>
