CVEs-PoC/2020/CVE-2020-8428.md

### [CVE-2020-8428](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8428)
![](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

fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed.

### POC

#### Reference
- http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/nomi-sec/PoC-in-GitHub