---
title: "CVE-2011-2482\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-2011-2482?format=md
keywords: index, follow
---

# CVE-2011-2482

Publication date 8 June 2013

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2011-2482?format=md#impact-score)

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## Description

A certain Red Hat patch to the sctp\_sock\_migrate function in
net/sctp/socket.c in the Linux kernel before 2.6.21, as used in Red Hat
Enterprise Linux (RHEL) 5, allows remote attackers to cause a denial of
service (NULL pointer dereference and OOPS) via a crafted SCTP packet.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2011-2482?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| linux | 11.04 natty | Not affected |
| 10.10 maverick | Not affected |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Not affected |
| linux-ec2 | 11.04 natty | Not in release |
| 10.10 maverick | Ignored end of life |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Not in release |
| linux-fsl-imx51 | 11.04 natty | Not in release |
| 10.10 maverick | Not in release |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Not in release |
| linux-lts-backport-maverick | 11.04 natty | Not in release |
| 10.10 maverick | Not in release |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Not in release |
| linux-lts-backport-natty | 11.04 natty | Not in release |
| 10.10 maverick | Not in release |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Not in release |
| linux-mvl-dove | 11.04 natty | Not in release |
| 10.10 maverick | Not affected |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Not in release |
| linux-ti-omap4 | 11.04 natty | Not affected |
| 10.10 maverick | Not affected |
| 10.04 LTS lucid | Not in release |
| 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)

## Notes

---

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

this bug was introduced by a flawed backport of commit
ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d to the RHEL kernel, this
was mainlined in v2.6.21 and therefore no existing release has this
backported

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.5 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | None |
  | Integrity impact | None |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.5 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2482)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-2482)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-2482)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-2482)

### Other references

* <https://rhn.redhat.com/errata/RHSA-2011-1212.html>
* <https://www.cve.org/CVERecord?id=CVE-2011-2482>