The /var/tmp/hostmibd.log is the logfile used by hostmibd daemon, and contains network and machine related information. Rationale: The /var/tmp/hostmibd.log log file can contain network and machine related statistics logged by the daemon. This file must be secured from unauthorized access and modifications.
Solution
Remove world read and write from /var/tmp/hostmibd.log: chmod o-rw /var/tmp/hostmibd.log Default Value: 644