### [CVE-2012-2136](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2136) ![](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 sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device. ### POC #### Reference - http://www.ubuntu.com/usn/USN-1535-1 #### Github No PoCs found on GitHub currently.