Sahih Muslim
The Book of Faith (Kitab Al-Iman)
Book Number: 001 / Hadith Number: 411
Abu Sa'id al-Khudri reported: A mention was made of his uncle Abu Talib before the Messenger of Allah (may peace be upon him) He said: My intercession may benefit him on the Day of Resurrection and he may be placed in the shallow part of the Fire which would reach his ankles and his brain would be boiling.