Information
Since the /tmp filesystem is only intended for temporary file storage, set this option to
ensure that users cannot run executable binaries from /tmp.
Solution
Edit the /etc/fstab file and add noexec to the fourth field (mounting options) for the
/tmp partition. See the fstab(5) manual page for more information. Run the following command to remount /tmp - # mount -o remount,noexec /tmp