From patchwork Mon Jul 15 15:15:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juerg Haefliger X-Patchwork-Id: 1960703 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=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 4WN5PF00pKz1xrK for ; Tue, 16 Jul 2024 01:15:44 +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 1sTNQP-0001xK-0S; Mon, 15 Jul 2024 15:15:37 +0000 Received: from smtp-relay-internal-1.internal ([10.131.114.114] helo=smtp-relay-internal-1.canonical.com) by lists.ubuntu.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1sTNQM-0001wF-Cj for kernel-team@lists.ubuntu.com; Mon, 15 Jul 2024 15:15:34 +0000 Received: from mail-ej1-f70.google.com (mail-ej1-f70.google.com [209.85.218.70]) (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 0F6073F4C6 for ; Mon, 15 Jul 2024 15:15:34 +0000 (UTC) Received: by mail-ej1-f70.google.com with SMTP id a640c23a62f3a-a77eb9abdfaso373832666b.0 for ; Mon, 15 Jul 2024 08:15:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721056532; x=1721661332; 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=kOGw6chVM8gYzTnQhAvVdmui7aF04l0mzkol36mUvto=; b=WE4wSO3V/I/psNXcwYPy46lMDNhxQ9++kDSwfxp/GvuVTcKTqgJ7DzYZqXsec2nkSn WJ8Dv1aXvXLqO3StUUnUr/Pv1cf2wFjvDlTX9qiFav9q4n7DIMuaFM6iDMeMH10m0eBW LqAa6FstQDAwyEmAZrde7aLDA5VmISa6SVvgz0K0DBSUiN2I2Q51hjEB6qDNoB8du+SO F+ZD/g4khez0OLP9QD3J6CUDPE41zf/CqlBlE4HJftYL1YZFM6qpHNmbqxGbgTjq+ZFT /QTIsRgk1PlnHJ/sz0b4C2Qm0iNhx5ZI16ZUVnDXnzg8ZPd4cnQWSS+yxLhRkjGheuCZ fEgQ== X-Gm-Message-State: AOJu0YxXCY2qutKwJi/YnBcOWeiELiCe5v85KnvmVMzivJ/FSWn+ILvE 6WP749dsI0D4hv+Tc+Nlwk9Fw0FA0t07drTqZJF3RjF6kQqTcettJOPAxE4d5fktnEzpTxtoahL VlzKFxpN8SxhgWxVpU7WGtzggP2l89SGBFHkEDP/Qy4YcY9ZLKx7zb+8hAcYiRRRPuqmMBl84Bx LGqF8Ie1zplg== X-Received: by 2002:a17:906:2c4c:b0:a77:c525:5c72 with SMTP id a640c23a62f3a-a79e6a6819fmr4726266b.37.1721056532745; Mon, 15 Jul 2024 08:15:32 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFenuTsyO5biFGYV2cgi/cu7msaDDzcvvMjOTikN+gM9jqHswrJf9TMo/mNPpiyrfP5abgbJQ== X-Received: by 2002:a17:906:2c4c:b0:a77:c525:5c72 with SMTP id a640c23a62f3a-a79e6a6819fmr4724366b.37.1721056532353; Mon, 15 Jul 2024 08:15:32 -0700 (PDT) Received: from localhost ([81.221.247.52]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a79bc7f24cbsm219724366b.132.2024.07.15.08.15.31 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Jul 2024 08:15:32 -0700 (PDT) From: Juerg Haefliger To: kernel-team@lists.ubuntu.com Subject: [SRU][F][PATCH v2 0/1] CVE-2024-2201 Date: Mon, 15 Jul 2024 17:15:30 +0200 Message-Id: <20240715151531.1305174-1-juerg.haefliger@canonical.com> X-Mailer: git-send-email 2.40.1 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" https://ubuntu.com/security/CVE-2024-2201 [ Impact ] BHI_AUTO only mitigates newer systems. Upstream removed that option. This change makes the config match the newer Ubuntu kernels (and upstream). [ Test Case ] Compile tested only. [ Where Problems Could Occur ] What could possibly go wrong with any spectre mitigation...? The usual kernel crashes and/or call traces at boot. Juerg Haefliger (1): UBUNTU: [Config] Set SPECTRE_BHI_ON=y debian.master/config/annotations | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Acked-by: Manuel Diewald Acked-by: Agathe Porte