---
title: "CVE-2005-3274\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-2005-3274?format=md
keywords: index, follow
---

# CVE-2005-3274

Publication date 21 October 2005

Last updated 17 July 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**4.7 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2005-3274?format=md#impact-score)

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## Description

Race condition in ip\_vs\_conn\_flush in Linux 2.6 before 2.6.13 and 2.4
before 2.4.32-pre2, when running on SMP systems, allows local users to
cause a denial of service (null dereference) by causing a connection timer
to expire while the connection table is being flushed before the
appropriate lock is acquired.

## Status

Show unmaintained releases

---

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

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

4.7 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 4.7 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3274)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2005-3274)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2005-3274)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2005-3274)

### Related Ubuntu Security Notices (USN)

+ [USN-219-1](https://usn.ubuntu.com/USN-219-1)
+ Linux kernel vulnerabilities
+ 22 November 2005

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2005-3274>