From patchwork Mon Jan 23 15:38:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrei Gherzan X-Patchwork-Id: 1730531 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=canonical.com header.i=@canonical.com header.a=rsa-sha256 header.s=20210705 header.b=j54+6Kr4; dkim-atps=neutral Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4P0vRJ2KkBz23gY for ; Tue, 24 Jan 2023 02:39:23 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1pJyug-00037c-UM; Mon, 23 Jan 2023 15:39:14 +0000 Received: from smtp-relay-internal-1.internal ([10.131.114.114] helo=smtp-relay-internal-1.canonical.com) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1pJyuf-00037N-Qh for kernel-team@lists.ubuntu.com; Mon, 23 Jan 2023 15:39:13 +0000 Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-1.canonical.com (Postfix) with ESMTPS id 511AE419B6 for ; Mon, 23 Jan 2023 15:39:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1674488353; bh=nLRe5d8mHiVxvG+2oofJRQLz5KT4Ism/smVr98WWeX4=; h=From:To:Subject:Date:Message-Id:MIME-Version; b=j54+6Kr4PS1cobTVmQvM68KanBTpSEWIAWUwImTC7VmyXhu53zBLic/XX3jeN2NBg JG5RBXTub1wVF+/c3d4jgPpeeOC+KwIVvWb93U87GQeiS9QUyq0o/LS/++K03VjeUR 6bGosr3+H0lLj8gm4bKcQPeJOA5BjY6R5QUKC0q8C++GxvMXq30s4Zrjqkm3ZzBY3J 2OFSystL818K1gACr1D1CIIrnJCHORA4eIBPOKd08a6mg8LL86qU72xQZ+Kb9/TncL r4qIDzVIKDzTKJ8bdYYNjH/qwthDQi5i2160ijqDuL2R5uYEUoCq6b9xssM25evCiJ 40jCEIeoWQTFA== Received: by mail-wm1-f71.google.com with SMTP id j8-20020a05600c190800b003db2dc83dafso6271200wmq.7 for ; Mon, 23 Jan 2023 07:39:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=nLRe5d8mHiVxvG+2oofJRQLz5KT4Ism/smVr98WWeX4=; b=tjZhBTHAY9lRw2sVfNIxflKahoPOgk6IActCIkKDwNrAfovNJenuCDyiedMAJG+Ho9 nFwglWJJdA0MLVfmRtx8766ku4vlFJszWdKhx97lYiFNaoby+6eUSkJVcTU9BjAf0yJR NETXo3rr89SuADfuj2tCg67R32EE3fkthVKYs5pVtEE3/k3q2mFwEmU75IF/md/RVmqK Uz2kPGgJ0pfyBzyP0WyrV3Ohs8s3glB9B0KLHWgrRigChlsT4Fe4XRC6MqN/ZHHpjwJr 6lMG4xlW5MzPlPmWmKFzeo89K2B3bXKHaQ8gX86bEidVsg2YmRjhdZ8if9n3tV0bi2da z86Q== X-Gm-Message-State: AFqh2kqezCbDS7tgJs4st4lZOSL+Nqp8jevvDBfvxKYXFBh71WkVhufV mfaB3qfjHm/Fghk7oQbe8FamOwizSajdBYU07OVAKNxm0kVdjCVNSoq4Esmd839sf1xJqKTUo1T FQQI2kquvoghxQVh2l10RF1DkgSYLZQAktjouUDgmKQ== X-Received: by 2002:a05:6000:1c0e:b0:2be:5403:45ef with SMTP id ba14-20020a0560001c0e00b002be540345efmr12445770wrb.6.1674488352304; Mon, 23 Jan 2023 07:39:12 -0800 (PST) X-Google-Smtp-Source: AMrXdXtueMMxHPBIPTfgIHh9E6rFaZNFd1wKSAXWlURxZwVG4W/R+p9LXE2CTUlUva2kYX3vAC40zw== X-Received: by 2002:a05:6000:1c0e:b0:2be:5403:45ef with SMTP id ba14-20020a0560001c0e00b002be540345efmr12445752wrb.6.1674488351850; Mon, 23 Jan 2023 07:39:11 -0800 (PST) Received: from localhost.localdomain ([2001:67c:1560:8007::aac:c4dd]) by smtp.gmail.com with ESMTPSA id u24-20020adfa198000000b002bc84c55758sm42093129wru.63.2023.01.23.07.39.11 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Jan 2023 07:39:11 -0800 (PST) From: Andrei Gherzan To: kernel-team@lists.ubuntu.com Subject: [SRU][Jammy][PATCH 0/1] CVE-2022-4379 Date: Mon, 23 Jan 2023 15:38:43 +0000 Message-Id: <20230123153844.75571-1-andrei.gherzan@canonical.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" [Impact] A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial. [Fix] Backported 75333d48f92256a0dec91dbf07835e804fc411c0 from upstream. Backport was required (see the patch for more details). [Potential regression] None expected, low. [Tests] * Build test * Runtime test * boot a new Kinetic VM instance * loaded nfsd kernel module * exported on the VM a path and mounted on a client via NFSv4 * no errors or functionality impact observed Dai Ngo (1): NFSD: fix use-after-free in __nfs42_ssc_open() fs/nfsd/nfs4proc.c | 22 ++++++---------------- 1 file changed, 6 insertions(+), 16 deletions(-) Acked-by: Tim Gardner Acked-by: Stefan Bader