---
title: "CVE-2009-2691\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-2009-2691?format=md
keywords: index, follow
---

# CVE-2009-2691

Publication date 10 August 2009

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

The mm\_for\_maps function in fs/proc/base.c in the Linux kernel 2.6.30.4 and
earlier allows local users to read (1) maps and (2) smaps files under proc/
via vectors related to ELF loading, a setuid process, and a race condition.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| linux | 9.04 jaunty | Not affected |
| 8.10 intrepid | Not affected |
| 8.04 LTS hardy | Not affected |
| 6.06 LTS dapper | Not in release |
| linux-source-2.6.15 | 9.04 jaunty | Not in release |
| 8.10 intrepid | Not in release |
| 8.04 LTS hardy | Not in release |
| 6.06 LTS dapper | Not affected |

---

* [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-2009-2691?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 |
| --- | --- |
| linux | * Upstream:   <http://git.kernel.org/linus/13f0feafa6b8aead57a2a328e2fca6a5828bf286> * Upstream:   <http://git.kernel.org/linus/00f89d218523b9bf6b522349c039d5ac80aa536d> * Upstream:   <http://git.kernel.org/linus/704b836cbf19e885f8366bccb2e4b0474346c02d> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2691)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2009-2691)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2009-2691)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2009-2691)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2009-2691>
