Sahih Muslim 991
صحيح مسلم#991Sahihحَدَّثَنَا ابْنُ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا حَنْظَلَةُ، قَالَ سَمِعْتُ سَالِمًا، يَقُولُ سَمِعْتُ ابْنَ عُمَرَ، يَقُولُ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ " إِذَا اسْتَأْذَنَكُمْ نِسَاؤُكُمْ إِلَى الْمَسَاجِدِ فَأْذَنُوا لَهُنَّ " .
lbn Umar reported:I heard the Messeinger of Allah (ﷺ) say: When your women seek your permission for going to the mosque, you grant them (permission)
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 Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 4:153