diff -ru gnutls-3.8.8.orig/lib/algorithms/groups.c gnutls-3.8.8/lib/algorithms/groups.c
--- gnutls-3.8.8.orig/lib/algorithms/groups.c	2024-10-30 05:41:21.000000000 +0100
+++ gnutls-3.8.8/lib/algorithms/groups.c	2024-11-13 19:12:22.032377871 +0100
@@ -90,7 +90,13 @@
 		.tls_id = 25,
 		.pk = GNUTLS_PK_ECDSA,
 	},
-	group_x25519,
+	{
+	.name = "X25519",
+	.id = GNUTLS_GROUP_X25519,
+	.curve = GNUTLS_ECC_CURVE_X25519,
+	.tls_id = 29,
+	.pk = GNUTLS_PK_ECDH_X25519,
+	},
 #ifdef ENABLE_GOST
 	/* draft-smyshlyaev-tls12-gost-suites-06, Section 6 */
 	{
diff -ru gnutls-3.8.8.orig/lib/system/sockets.c gnutls-3.8.8/lib/system/sockets.c
--- gnutls-3.8.8.orig/lib/system/sockets.c	2024-06-03 01:16:18.000000000 +0200
+++ gnutls-3.8.8/lib/system/sockets.c	2024-11-13 19:02:28.738122921 +0100
@@ -161,7 +161,7 @@
 ssize_t system_writev(gnutls_transport_ptr_t ptr, const giovec_t *iovec,
 		      int iovec_cnt)
 {
-	return _system_writev(ptr, iovec, iovec_cnt, 0);
+	return writev(GNUTLS_POINTER_TO_INT(ptr), (struct iovec *) iovec, iovec_cnt);
 }
 
 #endif