diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index bfddb648fcc3..2cfd8d862639 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -2053,6 +2053,7 @@ struct hci_cp_le_set_per_adv_params {
 } __packed;
 
 #define HCI_MAX_PER_AD_LENGTH	252
+#define HCI_MAX_PER_AD_TOT_LEN	1650
 
 #define HCI_OP_LE_SET_PER_ADV_DATA		0x203f
 struct hci_cp_le_set_per_adv_data {
@@ -2813,6 +2814,10 @@ struct hci_ev_le_per_adv_report {
 	__u8     data[];
 } __packed;
 
+#define LE_PA_DATA_COMPLETE	0x00
+#define LE_PA_DATA_MORE_TO_COME	0x01
+#define LE_PA_DATA_TRUNCATED	0x02
+
 #define HCI_EV_LE_EXT_ADV_SET_TERM	0x12
 struct hci_evt_le_ext_adv_set_term {
 	__u8	status;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 93e2b17b1126..1da71254caf6 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -735,8 +735,9 @@ struct hci_conn {
 	__u16		le_supv_timeout;
 	__u8		le_adv_data[HCI_MAX_EXT_AD_LENGTH];
 	__u8		le_adv_data_len;
-	__u8		le_per_adv_data[HCI_MAX_PER_AD_LENGTH];
-	__u8		le_per_adv_data_len;
+	__u8		le_per_adv_data[HCI_MAX_PER_AD_TOT_LEN];
+	__u16		le_per_adv_data_len;
+	__u16		le_per_adv_data_offset;
 	__u8		le_tx_phy;
 	__u8		le_rx_phy;
 	__s8		rssi;
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index a8b05baa8e5a..fa6c2e95d554 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -1955,16 +1955,58 @@ int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags)
 
 	ev3 = hci_recv_event_data(hdev, HCI_EV_LE_PER_ADV_REPORT);
 	if (ev3) {
-		size_t base_len = ev3->length;
+		size_t base_len = 0;
 		u8 *base;
+		struct hci_conn *hcon;
 
 		sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr,
 					 iso_match_sync_handle_pa_report, ev3);
-		base = eir_get_service_data(ev3->data, ev3->length,
-					    EIR_BAA_SERVICE_UUID, &base_len);
-		if (base && sk && base_len <= sizeof(iso_pi(sk)->base)) {
+		if (!sk)
+			goto done;
+
+		hcon = iso_pi(sk)->conn->hcon;
+		if (!hcon)
+			goto done;
+
+		if (ev3->data_status == LE_PA_DATA_TRUNCATED) {
+			/* The controller was unable to retrieve PA data. */
+			memset(hcon->le_per_adv_data, 0,
+			       HCI_MAX_PER_AD_TOT_LEN);
+			hcon->le_per_adv_data_len = 0;
+			hcon->le_per_adv_data_offset = 0;
+			goto done;
+		}
+
+		if (hcon->le_per_adv_data_offset + ev3->length >
+		    HCI_MAX_PER_AD_TOT_LEN)
+			goto done;
+
+		memcpy(hcon->le_per_adv_data + hcon->le_per_adv_data_offset,
+		       ev3->data, ev3->length);
+		hcon->le_per_adv_data_offset += ev3->length;
+
+		if (ev3->data_status == LE_PA_DATA_COMPLETE) {
+			/* All PA data has been received. */
+			hcon->le_per_adv_data_len =
+				hcon->le_per_adv_data_offset;
+			hcon->le_per_adv_data_offset = 0;
+
+			/* Extract BASE */
+			base = eir_get_service_data(hcon->le_per_adv_data,
+						    hcon->le_per_adv_data_len,
+						    EIR_BAA_SERVICE_UUID,
+						    &base_len);
+
+			if (!base || base_len > BASE_MAX_LENGTH)
+				goto done;
+
 			memcpy(iso_pi(sk)->base, base, base_len);
 			iso_pi(sk)->base_len = base_len;
+		} else {
+			/* This is a PA data fragment. Keep pa_data_len set to 0
+			 * until all data has been reassembled.
+			 */
+			hcon->le_per_adv_data_len = 0;
 		}
 	} else {
 		sk = iso_get_sock_listen(&hdev->bdaddr, BDADDR_ANY, NULL, NULL);