diff --git a/fs/udf/super.c b/fs/udf/super.c
index 2ba5973ef4dd..5351755aca3e 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1617,7 +1617,10 @@ static bool udf_lvid_valid(struct super_block *sb,
 
 	parts = le32_to_cpu(lvid->numOfPartitions);
 	impuselen = le32_to_cpu(lvid->lengthOfImpUse);
-	if (parts >= sb->s_blocksize || impuselen >= sb->s_blocksize ||
+	if (sizeof(struct logicalVolIntegrityDescImpUse) > impuselen ||
+	    impuselen >= sb->s_blocksize)
+		return false;
+	if (parts >= sb->s_blocksize ||
 	    sizeof(struct logicalVolIntegrityDesc) + impuselen +
 	    2 * parts * sizeof(u32) > sb->s_blocksize)
 		return false;