From nobody Mon Feb 9 16:34:30 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1622125775; cv=none; d=zohomail.com; s=zohoarc; b=jubiBoQYoYWBcOiyy1ay94cNM7aD5zsR4KDnR7B/OIxyGV4+33nDMtHSjoVbRsLf/I+DhPokUKoOTFI+mbwWKx0z3ueeG3GQhFLcdRALo3BC086mxXUAeDtOy2Sh3rW6Plf9q4Gf9crwbcvM4u7kuyJpScwTl2GrbABXqzrHAvk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1622125775; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=uz52FNqICXdsKFhvti3vZUWX1HFRmjM04w09imUqWJQ=; b=iIxNmrP19TbrpvOsB4cEuGXmaZUTcV8DfDyGBKtku2lr7gU3iuXHyb1AUb1ZO2gzNuGgqXBp/TLG6xZ3pcnk1cpVzNPiP+oGzrosBX+KCrnbR0L3Zt0Mflm9mIzlwYq+FOt5MkZjvKCvLS7t4K1HXMTyRyAwjG8S+ZqzGfpAxBw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1622125775522153.20295696569963; Thu, 27 May 2021 07:29:35 -0700 (PDT) Received: from localhost ([::1]:45644 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lmH0w-0008Ey-NE for importer@patchew.org; Thu, 27 May 2021 10:29:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33860) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lmGvZ-0004yt-D0 for qemu-devel@nongnu.org; Thu, 27 May 2021 10:24:01 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:22782) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lmGvW-00045O-16 for qemu-devel@nongnu.org; Thu, 27 May 2021 10:24:00 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-368-fTdPu56WOpytgKsYSHIJFg-1; Thu, 27 May 2021 10:23:54 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 44C15180FD69; Thu, 27 May 2021 14:23:53 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-84.ams2.redhat.com [10.36.112.84]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 77EBB5D6D3; Thu, 27 May 2021 14:23:42 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 00D2A1800393; Thu, 27 May 2021 16:23:41 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1622125436; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uz52FNqICXdsKFhvti3vZUWX1HFRmjM04w09imUqWJQ=; b=EJFHUthVdKZF3VyJcTw4TsS/zJtq/jHNiX8OESMFVmeHnuHsH2zNgAuWFl8D7G/PcIw2qY bwseaoIQyYP6s9dUqT1p2MVOQdaRG8Ga9D05cImTBxArkrQoKjxtxZzk/KTQrVkZWtDN4z gorQafSRDz/KuXh3ukkZikKdM+nk/bA= X-MC-Unique: fTdPu56WOpytgKsYSHIJFg-1 From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 01/23] vhost-user-gpu: fix memory disclosure in virgl_cmd_get_capset_info (CVE-2021-3545) Date: Thu, 27 May 2021 16:23:18 +0200 Message-Id: <20210527142340.1352791-2-kraxel@redhat.com> In-Reply-To: <20210527142340.1352791-1-kraxel@redhat.com> References: <20210527142340.1352791-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.374, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Michael S. Tsirkin" , Cornelia Huck , Li Qiang , Gerd Hoffmann , Paolo Bonzini , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Li Qiang Otherwise some of the 'resp' will be leaked to guest. Fixes: CVE-2021-3545 Reported-by: Li Qiang virtio-gpu fix: 42a8dadc74 ("virtio-gpu: fix information leak in getting capset info dispatch") Signed-off-by: Li Qiang Reviewed-by: Marc-Andr=C3=A9 Lureau Message-Id: <20210516030403.107723-2-liq3ea@163.com> Signed-off-by: Gerd Hoffmann --- contrib/vhost-user-gpu/virgl.c | 1 + 1 file changed, 1 insertion(+) diff --git a/contrib/vhost-user-gpu/virgl.c b/contrib/vhost-user-gpu/virgl.c index 9e6660c7ab87..6a332d601f80 100644 --- a/contrib/vhost-user-gpu/virgl.c +++ b/contrib/vhost-user-gpu/virgl.c @@ -128,6 +128,7 @@ virgl_cmd_get_capset_info(VuGpu *g, =20 VUGPU_FILL_CMD(info); =20 + memset(&resp, 0, sizeof(resp)); if (info.capset_index =3D=3D 0) { resp.capset_id =3D VIRTIO_GPU_CAPSET_VIRGL; virgl_renderer_get_cap_set(resp.capset_id, --=20 2.31.1