diff --git a/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_scan_aux.c b/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_scan_aux.c
index d28d25dc557..eb97ab789fd 100644
--- a/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_scan_aux.c
+++ b/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_scan_aux.c
@@ -129,6 +129,7 @@ uint8_t lll_scan_aux_setup(struct pdu_adv *pdu, uint8_t pdu_phy,
 	uint32_t aux_offset_us;
 	uint32_t overhead_us;
 	uint8_t *pri_dptr;
+	uint32_t pdu_us;
 	uint8_t phy;
 
 	LL_ASSERT(pdu->type == PDU_ADV_TYPE_EXT_IND);
@@ -183,6 +184,12 @@ uint8_t lll_scan_aux_setup(struct pdu_adv *pdu, uint8_t pdu_phy,
 	/* Calculate the aux offset from start of the scan window */
 	aux_offset_us = (uint32_t)PDU_ADV_AUX_PTR_OFFSET_GET(aux_ptr) * window_size_us;
 
+	/* Skip reception if invalid aux offset */
+	pdu_us = PDU_AC_US(pdu->len, pdu_phy, pdu_phy_flags_rx);
+	if (aux_offset_us < pdu_us) {
+		return 0U;
+	}
+
 	/* Calculate the window widening that needs to be deducted */
 	if (aux_ptr->ca) {
 		window_widening_us = SCA_DRIFT_50_PPM_US(aux_offset_us);
@@ -233,7 +240,7 @@ uint8_t lll_scan_aux_setup(struct pdu_adv *pdu, uint8_t pdu_phy,
 	ftr->radio_end_us = radio_tmr_end_get() -
 			    radio_rx_chain_delay_get(pdu_phy,
 						     pdu_phy_flags_rx) -
-			    PDU_AC_US(pdu->len, pdu_phy, pdu_phy_flags_rx);
+			    pdu_us;
 
 	radio_isr_set(setup_cb, node_rx);
 	radio_disable();
diff --git a/subsys/bluetooth/controller/ll_sw/ull_scan_aux.c b/subsys/bluetooth/controller/ll_sw/ull_scan_aux.c
index 3e90448a0ad..0e4bbf0f2cd 100644
--- a/subsys/bluetooth/controller/ll_sw/ull_scan_aux.c
+++ b/subsys/bluetooth/controller/ll_sw/ull_scan_aux.c
@@ -126,6 +126,7 @@ void ull_scan_aux_setup(memq_link_t *link, struct node_rx_pdu *rx)
 	uint8_t acad_len;
 	uint8_t data_len;
 	uint8_t hdr_len;
+	uint32_t pdu_us;
 	uint8_t *ptr;
 	uint8_t phy;
 
@@ -705,6 +706,12 @@ void ull_scan_aux_setup(memq_link_t *link, struct node_rx_pdu *rx)
 
 	aux_offset_us = (uint32_t)PDU_ADV_AUX_PTR_OFFSET_GET(aux_ptr) * lll_aux->window_size_us;
 
+	/* Skip reception if invalid aux offset */
+	pdu_us = PDU_AC_US(pdu->len, phy, ftr->phy_flags);
+	if (aux_offset_us < pdu_us) {
+		goto ull_scan_aux_rx_flush;
+	}
+
 	/* CA field contains the clock accuracy of the advertiser;
 	 * 0 - 51 ppm to 500 ppm
 	 * 1 - 0 ppm to 50 ppm
@@ -723,7 +730,7 @@ void ull_scan_aux_setup(memq_link_t *link, struct node_rx_pdu *rx)
 
 	/* Calculate the aux offset from start of the scan window */
 	aux_offset_us += ftr->radio_end_us;
-	aux_offset_us -= PDU_AC_US(pdu->len, phy, ftr->phy_flags);
+	aux_offset_us -= pdu_us;
 	aux_offset_us -= EVENT_TICKER_RES_MARGIN_US;
 	aux_offset_us -= EVENT_JITTER_US;
 	aux_offset_us -= ready_delay_us;