diff --git a/drivers/net/wireless/ath/ath11k/dbring.c b/drivers/net/wireless/ath/ath11k/dbring.c
index de220a10bce3..eda67ebfc4c2 100644
--- a/drivers/net/wireless/ath/ath11k/dbring.c
+++ b/drivers/net/wireless/ath/ath11k/dbring.c
@@ -6,6 +6,35 @@
 #include "core.h"
 #include "debug.h"
 
+#define ATH11K_DB_MAGIC_VALUE 0xdeadbeaf
+
+int ath11k_dbring_validate_buffer(struct ath11k *ar, void *buffer, u32 size)
+{
+	u32 *temp;
+	int idx;
+
+	size = size >> 2;
+
+	for (idx = 0, temp = buffer; idx < size; idx++, temp++) {
+		if (*temp == ATH11K_DB_MAGIC_VALUE)
+			return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void ath11k_dbring_fill_magic_value(struct ath11k *ar,
+					   void *buffer, u32 size)
+{
+	u32 *temp;
+	int idx;
+
+	size = size >> 2;
+
+	for (idx = 0, temp = buffer; idx < size; idx++, temp++)
+		*temp++ = ATH11K_DB_MAGIC_VALUE;
+}
+
 static int ath11k_dbring_bufs_replenish(struct ath11k *ar,
 					struct ath11k_dbring *ring,
 					struct ath11k_dbring_element *buff)
@@ -26,6 +55,7 @@ static int ath11k_dbring_bufs_replenish(struct ath11k *ar,
 
 	ptr_unaligned = buff->payload;
 	ptr_aligned = PTR_ALIGN(ptr_unaligned, ring->buf_align);
+	ath11k_dbring_fill_magic_value(ar, ptr_aligned, ring->buf_sz);
 	paddr = dma_map_single(ab->dev, ptr_aligned, ring->buf_sz,
 			       DMA_FROM_DEVICE);
 
diff --git a/drivers/net/wireless/ath/ath11k/dbring.h b/drivers/net/wireless/ath/ath11k/dbring.h
index 78a985faa0a1..ef906c687b8c 100644
--- a/drivers/net/wireless/ath/ath11k/dbring.h
+++ b/drivers/net/wireless/ath/ath11k/dbring.h
@@ -76,4 +76,6 @@ int ath11k_dbring_get_cap(struct ath11k_base *ab,
 			  struct ath11k_dbring_cap *db_cap);
 void ath11k_dbring_srng_cleanup(struct ath11k *ar, struct ath11k_dbring *ring);
 void ath11k_dbring_buf_cleanup(struct ath11k *ar, struct ath11k_dbring *ring);
+int ath11k_dbring_validate_buffer(struct ath11k *ar, void *data, u32 size);
+
 #endif /* ATH11K_DBRING_H */
diff --git a/drivers/net/wireless/ath/ath11k/spectral.c b/drivers/net/wireless/ath/ath11k/spectral.c
index ac4da99b5577..4100cc1449a2 100644
--- a/drivers/net/wireless/ath/ath11k/spectral.c
+++ b/drivers/net/wireless/ath/ath11k/spectral.c
@@ -581,6 +581,7 @@ int ath11k_spectral_process_fft(struct ath11k *ar,
 	u16 length, freq;
 	u8 chan_width_mhz, bin_sz;
 	int ret;
+	u32 check_length;
 
 	lockdep_assert_held(&ar->spectral.lock);
 
@@ -614,6 +615,13 @@ int ath11k_spectral_process_fft(struct ath11k *ar,
 		return -EINVAL;
 	}
 
+	check_length = sizeof(*fft_report) + (num_bins * ab->hw_params.spectral.fft_sz);
+	ret = ath11k_dbring_validate_buffer(ar, data, check_length);
+	if (ret) {
+		ath11k_warn(ar->ab, "found magic value in fft data, dropping\n");
+		return ret;
+	}
+
 	ret = ath11k_spectral_pull_search(ar, data, &search);
 	if (ret) {
 		ath11k_warn(ab, "failed to pull search report %d\n", ret);
@@ -747,6 +755,12 @@ static int ath11k_spectral_process_data(struct ath11k *ar,
 				goto err;
 			}
 
+			ret = ath11k_dbring_validate_buffer(ar, data, tlv_len);
+			if (ret) {
+				ath11k_warn(ar->ab, "found magic value in spectral summary, dropping\n");
+				goto err;
+			}
+
 			summary = (struct spectral_summary_fft_report *)tlv;
 			ath11k_spectral_pull_summary(ar, &param->meta,
 						     summary, &summ_rpt);