From patchwork Thu Aug 3 15:15:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thadeu Lima de Souza Cascardo X-Patchwork-Id: 1816516 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=d6MBkoml; 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 4RGsrS52f5z1yYC for ; Fri, 4 Aug 2023 01:16:39 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1qRa3v-0006uQ-Ia; Thu, 03 Aug 2023 15:16:27 +0000 Received: from smtp-relay-canonical-0.internal ([10.131.114.83] helo=smtp-relay-canonical-0.canonical.com) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1qRa3u-0006uJ-7d for kernel-team@lists.ubuntu.com; Thu, 03 Aug 2023 15:16:26 +0000 Received: from localhost.localdomain (1.general.cascardo.us.vpn [10.172.70.58]) (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-canonical-0.canonical.com (Postfix) with ESMTPSA id 1A1683F161 for ; Thu, 3 Aug 2023 15:16:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1691075785; bh=SiIebxQr/eLaxyjRkq9spM1dxevX5l7S2rPU6Vm4gnQ=; h=From:To:Subject:Date:Message-Id:MIME-Version; b=d6MBkomlCl8kJsRRX7DONumNrgMwZoIIUon5KMSpDxLPw7J5ikhFwyCId7yF+1/By wtl+uQ6v4ZBkjgfW+zUfJ7o1yvWyBpzyj2O+7V+zfKm2y0ZGNysSjAZ0CnMmJrdlHk hHD9f7h3ZOMIqwhuhwvhDbXghvpi5xjJ6hDI9j4u+DcxXwC1bPr6eP50RWLyi2K1+2 Owvxhs4rtcLjNkzLlUZLEbdqsjjmrqYvDDCU6RYqCZ+e/nt5zNTsFYMFpl0iocHPpO Cltkq2sadszKIbuJOGUYCLgvUUdJveKXiNVQ3UqH7nTk8zQh0Snz/BF/uiC9Je8o0q 9vXSL7HKRTszA== From: Thadeu Lima de Souza Cascardo To: kernel-team@lists.ubuntu.com Subject: [Jammy, OEM-5.17, OEM-6.0, OEM-6.1, Lunar 0/2] CVE-2023-3777 // CVE-2023-3995 Date: Thu, 3 Aug 2023 12:15:22 -0300 Message-Id: <20230803151524.659940-1-cascardo@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] The two vulnerabilities affect nftables and allow an unprivileged user to escalate privileges. [Backport] The 2 commits fix the same commit ID and apply cleanly of the affected series. [Potential regression] nftables users may regress. Pablo Neira Ayuso (2): netfilter: nf_tables: skip bound chain on rule flush netfilter: nf_tables: disallow rule addition to bound chain via NFTA_RULE_CHAIN_ID net/netfilter/nf_tables_api.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) Acked-by: Tim Gardner Acked-by: Stefan Bader