Sunan Abi Dawud 5182
سنن أبي داود#5182Sahih’Ubaid b. ‘Umair said :Abu Musa asked ‘Umar for permission to enter the house. This version has: he went with Abu sa’ld who testified to it. He said Did this practice of the Messenger of Allah (May peace be upon him) remain hidden from me? My engagement in the transaction in the market made me oblivious of it. Now give me salutation as you wish; and do not ask permission
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (2062) Sahih Muslim (2153)
In-book reference: 43:410