diff --git a/dsp/q6afe.c b/dsp/q6afe.c
index a08843a74d31..ccd0b349d66e 100644
--- a/dsp/q6afe.c
+++ b/dsp/q6afe.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /* Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 #include <linux/slab.h>
 #include <linux/debugfs.h>
@@ -8652,6 +8652,14 @@ static int afe_sidetone_iir(u16 tx_port_id)
 		pr_debug("%s: adding 2 to size:%d\n", __func__, size);
 		size = size + 2;
 	}
+
+	if (size > MAX_SIDETONE_IIR_DATA_SIZE) {
+		pr_err("%s: iir_config size is out of bounds:%d\n", __func__, size);
+		mutex_unlock(&this_afe.cal_data[cal_index]->lock);
+		ret = -EINVAL;
+		goto done;
+	}
+
 	memcpy(&filter_data.iir_config, &st_iir_cal_info->iir_config, size);
 	mutex_unlock(&this_afe.cal_data[cal_index]->lock);