diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 182e4afd21eb..14b1ee29509d 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -720,6 +720,10 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 	while (runtime->boundary * 2 <= LONG_MAX - runtime->buffer_size)
 		runtime->boundary *= 2;
 
+	/* clear the buffer for avoiding possible kernel info leaks */
+	if (runtime->dma_area && !substream->ops->copy_user)
+		memset(runtime->dma_area, 0, runtime->dma_bytes);
+
 	snd_pcm_timer_resolution_change(substream);
 	snd_pcm_set_state(substream, SNDRV_PCM_STATE_SETUP);