[Reference]

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3156
https://access.redhat.com/security/cve/cve-2021-3156
https://ubuntu.com/security/CVE-2021-3156
https://github.com/r4j0x00/exploits/tree/master/CVE-2021-3156