Abu Dawud said: Sa'ib b. 'Arubah has transmitted a similar tradition. Khalid has also transmitted a similar tradition on the authority of 'Ikrimah from the Prophet (ﷺ).
In-book : Book 22, Hadith 56
English translation : Book 21, Hadith 3292
22. Oaths and Vows (Kitab Al-Aiman Wa Al-Nudhur)
باب مَنْ رَأَى عَلَيْهِ كَفَّارَةً إِذَا كَانَ فِي مَعْصِيَةٍ