The decree, if executed before it is set aside under any of the provisions of §§ 21-1-401 — 21-1-405, shall be a protection to all persons acting upon its validity, and confer a good title to all property sold under it.
Effect of execution before setting aside
Tenn. Code Ann. § 21-1-406, under Decrees Pro Confesso.
Tenn. Code Ann. § 21-1-406