cve/2013/CVE-2013-1792.md

### [CVE-2013-1792](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1792)
![](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

Race condition in the install_user_keyrings function in security/keys/process_keys.c in the Linux kernel before 3.8.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) via crafted keyctl system calls that trigger keyring operations in simultaneous threads.

### POC

#### Reference
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.ubuntu.com/usn/USN-1788-1
- http://www.ubuntu.com/usn/USN-1797-1

#### Github
- https://github.com/wcventure/PERIOD