Hadith 3323
Narrated Uqbah bin Amir: The Messenger of Allah ﷺ as saying: The atonement for a vow is the same as for an oath. Abu Dawud said: This tradition has also been transmitted by Amr bin al-Harith from Kab bin Alqamah, from Ibn Shamasah on the authority of Uqbah.
Hadith 3324
A similar tradition has also been transmitted by Uqbah bin Amir from the Prophet ﷺ through a different chain of narrators.