Sahih al-Bukhari 1860
صحيح البخاري#1860SahihNarrated Ibrahim's grand-father that 'Umar(ra) in his last Hajj allowed the wives of the Prophet(ﷺ)to perform Hajj and he sent with them 'Uthman bin 'Affan(ra) and 'Abdur-Rahman bin 'Auf(ra) as escorts
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: 28:40