From patchwork Fri Sep 27 10:14:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juerg Haefliger X-Patchwork-Id: 1990210 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 4XFRD80KLsz1xtJ for ; Fri, 27 Sep 2024 20:15:03 +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 1su7zu-0003g4-DU; Fri, 27 Sep 2024 10:14:50 +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 1su7zs-0003fq-RU for kernel-team@lists.ubuntu.com; Fri, 27 Sep 2024 10:14:48 +0000 Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) (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 E78D83F178 for ; Fri, 27 Sep 2024 10:14:46 +0000 (UTC) Received: by mail-wr1-f70.google.com with SMTP id ffacd0b85a97d-37cd08d3678so772179f8f.1 for ; Fri, 27 Sep 2024 03:14:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727432086; x=1728036886; 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=WkVE5dwP7aX99WIdrOij4mcnOD4EPcEj3HDLZakAVXc=; b=P4zZVTBO1LgHCqtKZJUzTo4XgvJjfsasJGVRyph/ULt2q9bh9HM1p0AG5tTa8OGcbY MkTkP2JUTyGBdI62hIPP1zvMUdqXYK4s5vz6NvUrYF+vo5Sns4H6jcKWTYWtpA1YpXQf qtPspzPkC8+QL20ExL2tOjRefHaSyJICpJhQFsTeLpKzVXHGsJostWveNTzHB7WDBwGy g07XWBB+H5s+rrOAnz2tDfOXXETUTnNPwmxcf7WlQONvyz7QViN/WnCNb+5Dd+8rTZ+6 RvLeTEtJJvEo7SrWw6atIhIpXy3DyAMmYfv3zm5BnSa7dKNfke9+rwapDgHh6nPsHQvy p2IQ== X-Gm-Message-State: AOJu0YwDIrJn0myrxjbh1byD7aVRvCIscoT2K11nyy2yr3wK1ARMNfP9 3N0fYKwCmuQf7l2WSr5t8A0+yUhaBGkUqIz19y+AicA2HEgwVK4VpFTrZWA2gt2JL77wiZOHpD2 YhBrfr7HIk5w0TwM8WY97yatoe40RkRfr2Lpiw5IHOt7vJIbeMAyeR/NEIGL1MZGD00rml0in1h whTJ4/eY8BKg== X-Received: by 2002:a5d:5052:0:b0:376:dbb5:10c2 with SMTP id ffacd0b85a97d-37cd56ec781mr1664497f8f.29.1727432086314; Fri, 27 Sep 2024 03:14:46 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGJrORNWBvwoVu9D7fPXNRRBUfhEOIwg8v+UsgzBZj6wwxjCurHS1cr6IPVN/qfnPO7VNDytw== X-Received: by 2002:a5d:5052:0:b0:376:dbb5:10c2 with SMTP id ffacd0b85a97d-37cd56ec781mr1664478f8f.29.1727432085852; Fri, 27 Sep 2024 03:14:45 -0700 (PDT) Received: from localhost ([81.221.247.52]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37cd564d292sm2079208f8f.22.2024.09.27.03.14.45 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Sep 2024 03:14:45 -0700 (PDT) From: Juerg Haefliger To: kernel-team@lists.ubuntu.com Subject: [SRU][F][PATCH 0/1] CVE-2022-48943 Date: Fri, 27 Sep 2024 12:14:42 +0200 Message-ID: X-Mailer: git-send-email 2.43.0 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-2022-48943 [ Impact ] Potential DoS and guest starvation when using KVM virtualization. [ Test Case ] Compile-tested only. [ Where Problems Could Occur ] KVM virtualization, using the kernel as a KVM host kernel. Liang Zhang (1): KVM: x86/mmu: make apf token non-zero to fix bug arch/x86/kvm/mmu.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) Acked-by: Mehmet Basaran Acked-by: Ivan Hu