cve/2022/CVE-2022-4744.md

### [CVE-2022-4744](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-4744)
![](https://img.shields.io/static/v1?label=Product&message=Kernel&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-460%20-%3E%20CWE-824&color=brighgreen)

### Description

A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This flaw allows a local user to crash or potentially escalate their privileges on the system.

### POC

#### Reference
- http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.html

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