cve/2013/CVE-2013-7270.md

### [CVE-2013-7270](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7270)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

The packet_recvmsg function in net/packet/af_packet.c in the Linux kernel before 3.12.4 updates a certain length value before ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.

### POC

#### Reference
- http://www.ubuntu.com/usn/USN-2129-1
- http://www.ubuntu.com/usn/USN-2136-1

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