The page you linked applies to trademarks owned by the Linux Foundation. The Linux trademark is actually owned by Linus Torvalds, not by the Linux Foundation; and different rules apply to it, as your link notes.

>For information regarding the Linux trademark, owned by Linus Torvalds, please see the Linux Mark Institute (administered by The Linux Foundation). Your use of the Linux trademark must be in accordance with the Linux Mark Institute’s policy.

Which links to this page: https://www.linuxfoundation.org/legal/the-linux-mark