Sahih al-Bukhari 4009
صحيح البخاري#4009SahihNarrated Mahmud bin Ar-Rabi:That `Itban bin Malik who was one of the companions of the Prophet (ﷺ) and one of the warriors of Badr, came to Allah's Messenger (ﷺ)
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: 64:60