Sunan Abi Dawud 4358
سنن أبي داود#4358HasanNarrated Abdullah ibn Abbas: Abdullah ibn AbuSarh used to write (the revelation) for the Messenger of Allah (ﷺ). Satan made him slip, and he joined the infidels. The Messenger of Allah (ﷺ) commanded to kill him on the day of Conquest (of Mecca). Uthman ibn Affan sought protection for him. The Messenger of Allah (ﷺ) gave him protection
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan Isnaad
Muhammad Muhyi Al-Din Abdul HamidHasan Isnaad
Zubair Ali ZaiIsnaad Hasan
In-book reference: 40:8