---
title: "CVE-2012-2313\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-2012-2313?format=md
keywords: index, follow
---

# CVE-2012-2313

Publication date 14 May 2012

Last updated 4 July 2026

---

Ubuntu priority

**Medium**

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

Toggle side navigation

## Description

The rio\_ioctl function in drivers/net/ethernet/dlink/dl2k.c in the Linux
kernel before 3.3.7 does not restrict access to the SIOCSMIIREG command,
which allows local users to write data to an Ethernet adapter via an ioctl
call.

### From the Ubuntu Security Team

Stephan Mueller reported a flaw in the Linux kernel's dl2k network driver's
handling of ioctls. An unprivileged local user could leverage this flaw to
cause a denial of service.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2012-2313?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| linux | 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Not affected |
| 15.04 vivid | Not affected |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not affected |
| 13.10 saucy | Not affected |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Fixed 3.2.0-25.40 |
| 11.10 oneiric | Fixed 3.0.0-21.35 |
| 11.04 natty | Fixed 2.6.38-15.61 |
| 10.04 LTS lucid | Fixed 2.6.32-41.91 |
| 8.04 LTS hardy | Fixed 2.6.24-31.102 |
| linux-armadaxp | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Fixed 3.2.0-1605.8 |
| 11.10 oneiric | Not in release |
| 11.04 natty | Not in release |
| 10.04 LTS lucid | Not in release |
| 8.04 LTS hardy | Not in release |
| linux-aws | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |
| 12.04 LTS precise | Not in release |
| linux-ec2 | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 11.04 natty | Not in release |
| 10.04 LTS lucid | Fixed 2.6.32-345.50 |
| 8.04 LTS hardy | Not in release |
| linux-flo | 17.04 zesty | Not in release |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not affected |
| 15.04 vivid | Not affected |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Not in release |
| linux-fsl-imx51 | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 11.04 natty | Not in release |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | Not in release |
| linux-gke | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| linux-goldfish | 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not affected |
| 15.04 vivid | Not affected |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Ignored |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Not in release |
| linux-grouper | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Ignored end of life |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Ignored |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Not in release |
| linux-hwe | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| linux-hwe-edge | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| linux-linaro-omap | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Ignored end of life |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Ignored end of life |
| 10.04 LTS lucid | Not in release |
| 8.04 LTS hardy | Not in release |
| linux-linaro-shared | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Ignored end of life |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Not in release |
| 10.04 LTS lucid | Not in release |
| 8.04 LTS hardy | Not in release |
| linux-linaro-vexpress | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Ignored end of life |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Ignored end of life |
| 10.04 LTS lucid | Not in release |
| 8.04 LTS hardy | Not in release |
| linux-lts-backport-maverick | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 11.04 natty | Not in release |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | Not in release |
| linux-lts-backport-natty | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 11.04 natty | Not in release |
| 10.04 LTS lucid | Fixed 2.6.38-15.61~lucid1 |
| 8.04 LTS hardy | Not in release |
| linux-lts-backport-oneiric | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 11.04 natty | Not in release |
| 10.04 LTS lucid | Fixed 3.0.0-21.35~lucid1 |
| 8.04 LTS hardy | Not in release |
| linux-lts-trusty | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | Not in release |
| linux-lts-utopic | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Not in release |
| linux-lts-vivid | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Not in release |
| linux-lts-wily | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| linux-lts-xenial | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.04 LTS trusty | Not affected |
| 12.04 LTS precise | Not in release |
| linux-maguro | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Ignored |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Not in release |
| linux-mako | 17.04 zesty | Not in release |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not affected |
| 15.04 vivid | Not affected |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Ignored |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Not in release |
| linux-manta | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not affected |
| 15.04 vivid | Not affected |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Ignored |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Not in release |
| linux-mvl-dove | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 11.04 natty | Not in release |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | Not in release |
| linux-qcm-msm | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Ignored end of life |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Ignored end of life |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | Not in release |
| linux-raspi2 | 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Not affected |
| 15.04 vivid | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| linux-snapdragon | 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| linux-ti-omap4 | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not affected |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Fixed 3.2.0-1414.19 |
| 11.10 oneiric | Fixed 3.0.0-1211.23 |
| 11.04 natty | Fixed 2.6.38-1209.25 |
| 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)
* [Patch details](https://ubuntu.com/security/CVE-2012-2313?format=md#patch-details)

## Notes

---

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

linux-armadaxp is maintained by OEM

---

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

Do more research on whether the phyaddress stuff could be exploited
beyond denial of service

### 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 | * Introduced by   [1da177e](https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2),   fixed by   [1bb57e9](https://git.kernel.org/linus/1bb57e940e1958e40d51f2078f50c3a96a9b2d75) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2313)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-2313)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-2313)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2012-2313)

### Related Ubuntu Security Notices (USN)

+ [USN-1474-1](https://usn.ubuntu.com/USN-1474-1)
+ Linux kernel (OMAP4) vulnerabilities
+ 13 June 2012

+ [USN-1476-1](https://usn.ubuntu.com/USN-1476-1)
+ Linux kernel (OMAP4) vulnerabilities
+ 15 June 2012

+ [USN-1472-1](https://usn.ubuntu.com/USN-1472-1)
+ Linux kernel vulnerabilities
+ 12 June 2012

+ [USN-1491-1](https://usn.ubuntu.com/USN-1491-1)
+ Linux kernel (EC2) vulnerabilities
+ 29 June 2012

+ [USN-1473-1](https://usn.ubuntu.com/USN-1473-1)
+ Linux kernel vulnerabilities
+ 13 June 2012

+ [USN-1493-1](https://usn.ubuntu.com/USN-1493-1)
+ Linux kernel vulnerabilities
+ 29 June 2012

+ [USN-1490-1](https://usn.ubuntu.com/USN-1490-1)
+ Linux kernel (Natty backport) vulnerabilities
+ 29 June 2012

+ [USN-1471-1](https://usn.ubuntu.com/USN-1471-1)
+ Linux kernel (Oneiric backport) vulnerabilities
+ 12 June 2012

+ [USN-1492-1](https://usn.ubuntu.com/USN-1492-1)
+ Linux kernel vulnerabilities
+ 29 June 2012

+ [USN-1488-1](https://usn.ubuntu.com/USN-1488-1)
+ Linux kernel vulnerabilities
+ 29 June 2012

+ [USN-1530-1](https://usn.ubuntu.com/USN-1530-1)
+ Linux kernel (OMAP4) vulnerabilities
+ 10 August 2012

### Other references

* <http://www.openwall.com/lists/oss-security/2012/05/04/1>
* <https://www.cve.org/CVERecord?id=CVE-2012-2313>
