InformationVerify that the 'daemon.json' file permissions are correctly set to '644'or more restrictive.
'daemon.json' file contains sensitive parameters that may alter the behavior of docker daemon. Hence, it should be writable only by 'root' to maintain the integrity of the file.
Solutionchmod 644 /etc/docker/daemon.json
This would set the file permissions for this file to '644'.
This file may not be present on the system. In that case, this recommendation is not applicable.