From nobody Mon Apr 13 04:25:28 2026 Received: from mx1.secunet.com (mx1.secunet.com [62.96.220.36]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 708F82E541F; Sun, 12 Apr 2026 11:16:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.96.220.36 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775992598; cv=none; b=WLCaQQEC69YsDkKJLTDBq5aSJQ8xLYeXqkKh9Ek6HkD81PIzaQ4QZ4hMDot/ReBQ4lI1Kjkfpfp95Exs+Kpos6Rd7wnrnM9fo0F//EUShKPJ1Mo41x6d3t5caiwwmAPxxUFi/5slH2w72ivyE3eqQyzEyEAW7iAnqAIGQOoVQ+g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775992598; c=relaxed/simple; bh=9UP0ivJiXVoIUA4UAXZ3wNxBHW41WQJJ8XoG15ng/PA=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=VwBAtzFYpioFg294UYx4ju//V/pgncJjEaB/P+jkciRjPxqpuKkUnlOOzcufQssYPmKqbKcp0I0Dsq1i6+Ce/wETISXIPBeSnrPqnFUrkb7aUBuf2yZoJCr5To+hodGz9KK1Zozr83q4R+R5xmPyXNbUXxDEsyzvCOs6/U8sr1A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=secunet.com; spf=pass smtp.mailfrom=secunet.com; dkim=pass (2048-bit key) header.d=secunet.com header.i=@secunet.com header.b=ZlbNjtYY; arc=none smtp.client-ip=62.96.220.36 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=secunet.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=secunet.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=secunet.com header.i=@secunet.com header.b="ZlbNjtYY" Received: from localhost (localhost [127.0.0.1]) by mx1.secunet.com (Postfix) with ESMTP id E0A0B207D8; Sun, 12 Apr 2026 13:16:35 +0200 (CEST) X-Virus-Scanned: by secunet Received: from mx1.secunet.com ([127.0.0.1]) by localhost (mx1.secunet.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Q1YEEGcIWrYR; Sun, 12 Apr 2026 13:16:35 +0200 (CEST) Received: from EXCH-02.secunet.de (rl2.secunet.de [10.32.0.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.secunet.com (Postfix) with ESMTPS id 57F032074F; Sun, 12 Apr 2026 13:16:35 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.secunet.com 57F032074F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=secunet.com; s=202301; t=1775992595; bh=jjCd3da9hgLQSsx/QglDZN06ukOTwGx0csWrPYcumTI=; h=From:To:CC:Subject:Date:In-Reply-To:References:From; b=ZlbNjtYY0wqVcmx6vAPzhQE6HhOc127EmH1ygmwguxtxx5dNeg3v1mxtxqrf6yPb4 Dm7364ruNjWvl3fyTr0ajdZW4OYH/MWoRk+DNQbCWI5PGYbwtpV4P+9B/kRaLGHVYE eyRLR0DhdPjrK7gRKKSf7t7JLZlSiKzLRdomUL/2wobbzu362CJx4rlGbproD0sdAP NHsxsHEG7e5lGNYBUrTeBv9k+j8DFsS8fiqVNUzetzSCwvSmbfI73qmfPWbL6TqymX G6a/Sn6drWINxVX5RZV0A5e3tu8kneGfVeIXCfaFebTcszE2DLiHnOFC3j4Qia4dbm buZPaQ1dUooBg== Received: from moon.secunet.de (172.18.149.1) by EXCH-02.secunet.de (10.32.0.172) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Sun, 12 Apr 2026 13:16:34 +0200 From: Antony Antony To: Antony Antony , Steffen Klassert , Herbert Xu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , David Ahern , Masahide NAKAMURA , Paul Moore , Stephen Smalley , Ondrej Mosnacek , Jonathan Corbet , Shuah Khan CC: , , , , Chiachang Wang , Yan Yan , Subject: [PATCH ipsec-next v7 13/14] xfrm: restrict netlink attributes for XFRM_MSG_MIGRATE_STATE Date: Sun, 12 Apr 2026 13:16:23 +0200 Message-ID: X-Mailer: git-send-email 2.39.5 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.15-dev Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: EXCH-01.secunet.de (10.32.0.171) To EXCH-02.secunet.de (10.32.0.172) Only accept XFRMA used in this method, reject the rest. Signed-off-by: Antony Antony --- v5->v6: added this patch --- net/xfrm/xfrm_user.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 46e506548122..441e6b1fed10 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -3721,6 +3721,30 @@ static int xfrm_reject_unused_attr(int type, struct = nlattr **attrs, } } =20 + if (type =3D=3D XFRM_MSG_MIGRATE_STATE) { + int i; + + for (i =3D 0; i <=3D XFRMA_MAX; i++) { + if (!attrs[i]) + continue; + + switch (i) { + case XFRMA_MARK: + case XFRMA_ENCAP: + case XFRMA_OFFLOAD_DEV: + case XFRMA_SET_MARK: + case XFRMA_SET_MARK_MASK: + case XFRMA_MTIMER_THRESH: + case XFRMA_NAT_KEEPALIVE_INTERVAL: + break; + default: + NL_SET_ERR_MSG_ATTR(extack, attrs[i], + "Unsupported attribute in XFRM_MSG_MIGRATE_STATE"); + return -EINVAL; + } + } + } + return 0; } =20 --=20 2.47.3