Sahih al-Bukhari 5374
صحيح البخاري#5374SahihNarrated Abu Huraira: The family of Muhammad did not eat their fill for three successive days till he died
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 70:2