Sahih Muslim 2097
صحيح مسلم#2097SahihThis hadith is narrated thus on the authority of 'A'isha through another chain of transmitters:" The Messenger of Allah (ﷺ) observed six ruku's and four prostration in (two rak'ahs)
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: 10:8