Privilege Elevation - Unix

Linux Distib version:

cat /etc/issue
Ubuntu 18.04.3 LTS 

Linux kernel version: 5.0.0-37-generic

uname -a
Linux yoloctf-server 5.0.0-37-generic #40~18.04.1-Ubuntu SMP Thu Nov 14 12:06:39 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

Once the kernel version is known, it is possible to search for a kernel exploit
Never run an unknown binary !
Get the sources, read them, understand what they do, compile yourself, and only then run them... Knowing that there is a high risk of crashing the server.