From patchwork Mon Aug 28 15:57:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cengiz Can X-Patchwork-Id: 1826825 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org 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=gs7FqbYE; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com (client-ip=185.125.189.65; helo=lists.ubuntu.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=patchwork.ozlabs.org) Received: from lists.ubuntu.com (lists.ubuntu.com [185.125.189.65]) (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 4RZFZk49X0z1yhW for ; Tue, 29 Aug 2023 01:58:06 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=lists.ubuntu.com) by lists.ubuntu.com with esmtp (Exim 4.86_2) (envelope-from ) id 1qaeco-0006Em-FS; Mon, 28 Aug 2023 15:57:58 +0000 Received: from smtp-relay-internal-0.internal ([10.131.114.225] helo=smtp-relay-internal-0.canonical.com) by lists.ubuntu.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1qaecl-0006EU-JC for kernel-team@lists.ubuntu.com; Mon, 28 Aug 2023 15:57:55 +0000 Received: from mail-ej1-f71.google.com (mail-ej1-f71.google.com [209.85.218.71]) (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-0.canonical.com (Postfix) with ESMTPS id 6DA403F65F for ; Mon, 28 Aug 2023 15:57:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1693238275; bh=yBIoP7Qg5aN0vtF3QsK8JcwFrrAh9RVZwkC5WOPALTM=; h=From:To:Subject:Date:Message-Id:MIME-Version; b=gs7FqbYEiw+rpRdxNG6c3Ja157U2rknc+2EZfXVJFvB3nsX/TPCoJhLNRdxu/zsjr Ts5vva5Jjg5GXA7bQtjMmC0bcKJJvsZtHEtko4L3qAfPpiKwT2KOewWxNqiq70+N7o AVqorPPjvjxpZacdJ7DS5P5qdd6LLhbw2tvmFOns86VOHrNJer2yG5rGvyqqhqSyVu qNqZFZTs96paDbWXDxgQWRGRosoiwGguxiz25dejZCrHeZ0ILb6+Xlh86dUkpsAl04 vd9r7DyQv0WsDxVN7kJp2tZ+udGvqgLq2XXRKSHq17MLlIUphLshUfp0M19ZhEVfBu KgngUhBZqmmVQ== Received: by mail-ej1-f71.google.com with SMTP id a640c23a62f3a-993eeb3a950so259266166b.2 for ; Mon, 28 Aug 2023 08:57:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693238275; x=1693843075; 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=yBIoP7Qg5aN0vtF3QsK8JcwFrrAh9RVZwkC5WOPALTM=; b=R8OlASRahR60ocpYEtIKl9Z3e3X3A/f7w+LUSOcpen/6zd7VfJUjRNh8A9QZ23ricm Sy04sFSROW4GnyfJdyE9Kp5KrzV0h9lvn0xGjPs/dmVwSo+x0z7nX2B238ZML6PPNupK vbxMR/G5q8IQLIPy9o8g9YJLCHN5INZ8THC25BdoW/m4yNkZe2knCdx31XnkIUBjj//y HyP/5o8Bpow4s3ULASWMyeTQGCXuU1c6i3PA89S2v2xEC4MJ+dQUpt+Qe6DlRB6KrMDT GUkmpoh2YmHzO8UO0zV/Wg2r0Gnz5nX4+V9ptS4ekwz94YTI6wyo2PfgwZA05BtPhXI1 zwwQ== X-Gm-Message-State: AOJu0YzctgxgWyaC6pz/plHey4B0hAt3lrNBIjS3tUYRIqwd6x2B248c hUe7mEYZgIRKZhO51HjYAsRFp75zPNK3S23xQpzZB75Qt5YXGG86TR3V6NEzGd7ou4bkuEKeQDg HYgD1dry6Qp/QPnNZcK8vxItFcq9ndAq87LlnJleIkrizOMpkyj1f X-Received: by 2002:a17:906:291:b0:9a1:c357:c743 with SMTP id 17-20020a170906029100b009a1c357c743mr12163348ejf.52.1693238274943; Mon, 28 Aug 2023 08:57:54 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGqrPRUpxyv0tVfnd1flKHDIA1kP8ShdwJrBU0cEXjhaW9Ov2eO14O8HGYnF31CnfWuwowWeQ== X-Received: by 2002:a17:906:291:b0:9a1:c357:c743 with SMTP id 17-20020a170906029100b009a1c357c743mr12163337ejf.52.1693238274580; Mon, 28 Aug 2023 08:57:54 -0700 (PDT) Received: from localhost ([24.133.89.143]) by smtp.gmail.com with ESMTPSA id p18-20020a170906b21200b009926928d486sm4817069ejz.35.2023.08.28.08.57.54 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Aug 2023 08:57:54 -0700 (PDT) From: Cengiz Can To: kernel-team@lists.ubuntu.com Subject: [SRU Xenial, Bionic 0/1] CVE-2023-40283 Date: Mon, 28 Aug 2023 18:57:48 +0300 Message-Id: <20230828155749.2097498-1-cengiz.can@canonical.com> X-Mailer: git-send-email 2.39.2 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] An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled. [Fix] Cherry picked from upstream. [Test case] Compile, boot and l2test tested with dual bluetooth adapters. [Potential regression] Low regression potential. Sungwoo Kim (1): Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb net/bluetooth/l2cap_sock.c | 2 ++ 1 file changed, 2 insertions(+) Acked-by: Tim Gardner