Sunan Abi Dawud 2435
سنن أبي داود#2435SahihThe tradition mentioned above has alos been transmitted by Abu Hurairah through a different chain of narrators to the same effect. This version adds:He would fast all but a little of Sha'ban, rather he used to fast the whole of Sha'ban
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan Sahih
Muhammad Muhyi Al-Din Abdul HamidHasan Sahih
Shuaib Al ArnautHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 14:123