When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.CreditsCarl PearsonReferenceshttps://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668
