cve/2012/CVE-2012-6547.md

### [CVE-2012-6547](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6547)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

The __tun_chr_ioctl function in drivers/net/tun.c in the Linux kernel before 3.6 does not initialize a certain structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.

### POC

#### Reference
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176

#### Github
No PoCs found on GitHub currently.