Sahih al-Bukhari 1493
صحيح البخاري#1493Sahihحَدَّثَنَا آدَمُ، حَدَّثَنَا شُعْبَةُ، حَدَّثَنَا الْحَكَمُ، عَنْ إِبْرَاهِيمَ، عَنِ الأَسْوَدِ، عَنْ عَائِشَةَ ـ رضى الله عنها ـ أَنَّهَا أَرَادَتْ أَنْ تَشْتَرِيَ بَرِيرَةَ لِلْعِتْقِ، وَأَرَادَ مَوَالِيهَا أَنْ يَشْتَرِطُوا وَلاَءَهَا، فَذَكَرَتْ عَائِشَةُ لِلنَّبِيِّ صلى الله عليه وسلم فَقَالَ لَهَا النَّبِيُّ صلى الله عليه وسلم " اشْتَرِيهَا، فَإِنَّمَا الْوَلاَءُ لِمَنْ أَعْتَقَ ". قَالَتْ وَأُتِيَ النَّبِيُّ صلى الله عليه وسلم بِلَحْمٍ فَقُلْتُ هَذَا مَا تُصُدِّقَ بِهِ عَلَى بَرِيرَةَ فَقَالَ " هُوَ لَهَا صَدَقَةٌ، وَلَنَا هَدِيَّةٌ ".
Narrated Al-Aswad:`Aisha intended to buy Barira (a slave-girl) in order to manumit her and her masters intended to put the condition that her Al-wala would be for them. `Aisha mentioned that to the Prophet (ﷺ) who said to her, "Buy her, as the "Wala" is for the manumitted." Once some meat was presented to the Prophet (ﷺ) and `Aisha said to him, "This (meat) was given in charity to Barira." He said, "It is an object of charity for Barira but a gift for us
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: 24:93