Sahih Muslim 2972
صحيح مسلم#2972SahihMutarrif reported:'Imran b. Husain said to me: Should I not narrate to you a hadith today by which Allah will benefit you subsequently-and bear in mind that Allah's Messenger (ﷺ) made some members of his family perform 'Umra within ten days of Dhu'l-Hijja. No verse was revealed to abrogate that, and he (the Holy Prophet) did not refrain from doing it till he died. So after him everyone said as he liked, (but it would be his. personal opinion and not the verdict of the Shari'ah)
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: 15:181