This document covers a vulnerability in policy kit (polkit)
used on many Linux distributions, which enables an unprivileged
local user to get a privileged shell (root) on the system by
manually sending dbus messages to the dbus-daemon, then killing the
request before it has been fully processed.
Read more https://packetstormsecurity.com/files/165230/Polkit-CVE-2021-3560.pdf
