diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index af2ae144f508..f28259d13818 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -1404,6 +1404,14 @@ int kfd_parse_crat_table(void *crat_image, struct list_head *device_list,
 	sub_type_hdr = (struct crat_subtype_generic *)(crat_table+1);
 	while ((char *)sub_type_hdr + sizeof(struct crat_subtype_generic) <
 			((char *)crat_image) + image_len) {
+		if (!sub_type_hdr->length ||
+		    sub_type_hdr->length < sizeof(struct crat_subtype_generic)) {
+			pr_warn("Invalid CRAT subtype length %u\n",
+				sub_type_hdr->length);
+			ret = -EINVAL;
+			break;
+		}
+
 		if (sub_type_hdr->flags & CRAT_SUBTYPE_FLAGS_ENABLED) {
 			ret = kfd_parse_subtype(sub_type_hdr, device_list);
 			if (ret)