### [CVE-2017-18216](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18216)
![](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

In fs/ocfs2/cluster/nodemanager.c in the Linux kernel before 4.15, local users can cause a denial of service (NULL pointer dereference and BUG) because a required mutex is not used.

### POC

#### Reference
- https://usn.ubuntu.com/3798-1/
- https://usn.ubuntu.com/3798-2/

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