This hadith has been narrated on the authority of 'Uqba b. Amir Juhani. but in this no mention has been made of" barefoot".
Sahih Muslim Book 26, Hadith 17
← Previous Hadith My sister took a vow that she would walk bare foot to the house of Allah (Ka'ba). She asked me to inquire from Allah's Messenger (ﷺ) about it. I sought his decision and he said: She should walk on foot and ride also.

Sahih Muslim Book 26, Hadith 16 Next Hadith → The expiation of the (breach of) a vow is the same as that of the (breach of an oath).

Sahih Muslim Book 26, Hadith 18