sudo: /etc/sudo.conf is world writable and sudo: /usr/bin/sudo must be owned by uid 0 and have the s

Can someone explain to me what this is and how it can happen on the time it took to reboot.
sudo: /etc/sudo.conf is world writable
sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set

it reanders Kali unless.