Sahih Muslim 2276
صحيح مسلم#2276SahihAbu Huraira reported Allah's Messenger (ﷺ) as saying:There is no Sadaqa on a slave except Sadaqat-ul-Fitr
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 12:14