cve/2019/CVE-2019-6974.md

### [CVE-2019-6974](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6974)
![](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

In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.

### POC

#### Reference
- https://usn.ubuntu.com/3932-1/
- https://www.exploit-db.com/exploits/46388/

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Sec20-Paper310/Paper310