cve/2012/CVE-2012-4221.md

### [CVE-2012-4221](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4221)
![](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

Integer overflow in diagchar_core.c in the Qualcomm Innovation Center (QuIC) Diagnostics (aka DIAG) kernel-mode driver for Android 2.3 through 4.2 allows attackers to execute arbitrary code or cause a denial of service via an application that uses crafted arguments in a local diagchar_ioctl call.

### POC

#### Reference
- http://www.kb.cert.org/vuls/id/702452

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