diff --git a/sound/usb/stream.c b/sound/usb/stream.c index f8f56ace5652..b2c5c8198281 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -353,6 +353,8 @@ snd_pcm_chmap_elem *convert_chmap_v3(struct uac3_cluster_header_descriptor if (len < sizeof(*cs_desc)) break; cs_len = le16_to_cpu(cs_desc->wLength); + if (cs_len < sizeof(*cs_desc)) + break; if (len < cs_len) break; cs_type = cs_desc->bSegmentType;