cve/2022/CVE-2022-4128.md

### [CVE-2022-4128](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-4128)
![](https://img.shields.io/static/v1?label=Product&message=Linux%20kernel%20(mptcp)&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-476&color=brighgreen)

### Description

A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could use this flaw to potentially crash the system causing a denial of service.

### POC

#### Reference
- https://github.com/torvalds/linux/commit/5c835bb142d4

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