Sahih al-Bukhari 2762
صحيح البخاري#2762Sahihحَدَّثَنَا إِبْرَاهِيمُ بْنُ مُوسَى، أَخْبَرَنَا هِشَامُ بْنُ يُوسُفَ، أَنَّ ابْنَ جُرَيْجٍ، أَخْبَرَهُمْ قَالَ أَخْبَرَنِي يَعْلَى، أَنَّهُ سَمِعَ عِكْرِمَةَ، مَوْلَى ابْنِ عَبَّاسٍ يَقُولُ أَنْبَأَنَا ابْنُ عَبَّاسٍ، أَنَّ سَعْدَ بْنَ عُبَادَةَ ـ رضى الله عنهم ـ أَخَا بَنِي سَاعِدَةَ تُوُفِّيَتْ أُمُّهُ وَهْوَ غَائِبٌ، فَأَتَى النَّبِيَّ صلى الله عليه وسلم فَقَالَ يَا رَسُولَ اللَّهِ إِنَّ أُمِّي تُوُفِّيَتْ وَأَنَا غَائِبٌ عَنْهَا، فَهَلْ يَنْفَعُهَا شَىْءٌ إِنْ تَصَدَّقْتُ بِهِ عَنْهَا قَالَ " نَعَمْ ". قَالَ فَإِنِّي أُشْهِدُكَ أَنَّ حَائِطِي الْمِخْرَافَ صَدَقَةٌ عَلَيْهَا.
Narrated Ibn `Abbas:That the mother of Sa`d bin Ubada the brother of Bani Saida died in Sa`d's absence, so he came to the Prophet saying, "O Allah's Messenger (ﷺ)! My mother died in my absence, will it benefit her if I give in charity on her behalf?" The Prophet (ﷺ) said, "Yes." Sa`d said, "I take you as my witness that I give my garden Al-Makhraf in charity on her behalf
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 55:25