---
title: "CVE-2011-3601\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-2011-3601?format=md
keywords: index, follow
---

# CVE-2011-3601

Publication date 7 October 2011

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

Buffer overflow in the process\_ra function in the router advertisement
daemon (radvd) before 1.8.2 allows remote attackers to execute arbitrary
code or cause a denial of service (crash) via a negative value in a
label\_len value.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2011-3601?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| radvd | 11.10 oneiric | Fixed 1:1.8-1ubuntu0.1 |
| 11.04 natty | Fixed 1:1.7-1ubuntu0.1 |
| 10.10 maverick | Not affected |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | 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-2011-3601?format=md#patch-details)

## Notes

---

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

maverick and older don't support ND\_OPT\_DNSSL\_INFORMATION

### 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 |
| --- | --- |
| radvd | * Upstream:   [9dfaaaf](https://github.com/reubenhwk/radvd/commit/9dfaaaf740ce784541e76e68de4ae04dce2c0921) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3601)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-3601)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-3601)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-3601)

### Related Ubuntu Security Notices (USN)

+ [USN-1257-1](https://usn.ubuntu.com/USN-1257-1)
+ radvd vulnerabilities
+ 10 November 2011

### Other references

* <http://www.openwall.com/lists/oss-security/2011/10/06/3>
* <https://www.cve.org/CVERecord?id=CVE-2011-3601>