From nobody Mon Feb 9 23:17:47 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=pass(p=none dis=none) header.from=163.com ARC-Seal: i=1; a=rsa-sha256; t=1621134587; cv=none; d=zohomail.com; s=zohoarc; b=ndzT1cfIenEVe47fmuvBtWxFHZvEhdG1Hi0AQMefujvikld2rAzWobm1dmpyyR1iK2YM2PPhwzUFN7MvRaDdOQUT9jWtC9Cw3XPV+3juDYS+fsOaKD+RtRjAhZRSNJ2A8DuO+lMVje2AiB9evjwIXga++WHxQphbFsPzdqcRBcw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621134587; h=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=+cX1B0xZjC1BtX+cq5VAtM2rkQYVJVOu0vA64CpTbqI=; b=NgZTZPRbIQgEQA/wy+oMfBd4V6DuUlxEiawXbiacbyOWuNAfJgJUJxprD93+aGRSdjgiLKbCCLU4AE7DIGNf8quy05iwtLjExHuRewYtXKpI0JyANrwUXGe4dNcb1jBepcyc7GNOZ/yA3Avv7z/vHmxg0txSeihSURk6rA+bMpU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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=pass 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 1621134587730841.3484078129106; Sat, 15 May 2021 20:09:47 -0700 (PDT) Received: from localhost ([::1]:40964 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1li7A2-00047c-I9 for importer@patchew.org; Sat, 15 May 2021 23:09:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45774) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1li74q-0000pv-Nl for qemu-devel@nongnu.org; Sat, 15 May 2021 23:04:24 -0400 Received: from m12-13.163.com ([220.181.12.13]:52221) by eggs.gnu.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1li74l-0002e7-E0 for qemu-devel@nongnu.org; Sat, 15 May 2021 23:04:24 -0400 Received: from ubuntu.localdomain (unknown [115.200.200.157]) by smtp9 (Coremail) with SMTP id DcCowAC3evili6Bg85SBAw--.61303S6; Sun, 16 May 2021 11:04:10 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=+cX1B 0xZjC1BtX+cq5VAtM2rkQYVJVOu0vA64CpTbqI=; b=aj5/m/mfAt1Y3OTr52evb +WPWN84TkvjY1JxiTbNsNMlFd3Pcm8/28affbOie+Adf4rY7djTh9PT2Iem18ERg 4tP0sObP8+zrhIUnoddkHV8jTPGsZ/7dOwijb/i45kGF+P63ncti3H043EUB+f41 niSMvo8o6+72P6/v3p50q0= From: Li Qiang To: marcandre.lureau@redhat.com, kraxel@redhat.com, philmd@redhat.com, ppandit@redhat.com, mcascell@redhat.com, qemu-devel@nongnu.org Subject: [PATCH v2 2/8] vhost-user-gpu: fix resource leak in 'vg_resource_create_2d' (CVE-2021-3544) Date: Sat, 15 May 2021 20:03:57 -0700 Message-Id: <20210516030403.107723-3-liq3ea@163.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210516030403.107723-1-liq3ea@163.com> References: <20210516030403.107723-1-liq3ea@163.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: DcCowAC3evili6Bg85SBAw--.61303S6 X-Coremail-Antispam: 1Uf129KBjvdXoW7GFWDCr1UuryUtw1kur4fuFg_yoWfXFg_Za 18XF4kCFs8WFy09w4DtwsxA3yayFWfJrs7tFy0kF45CFyUtwnIq3s5t3yvyry8Zw4DGF1D ArWUJw48AF12vjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU8LXo7UUUUU== X-Originating-IP: [115.200.200.157] X-CM-SenderInfo: 5oltjvrd6rljoofrz/1tbiKQqUbVXl0i9ZBgAAsI 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=220.181.12.13; envelope-from=liq3ea@163.com; helo=m12-13.163.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: Li Qiang , liq3ea@gmail.com, Prasad J Pandit Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @163.com) Content-Type: text/plain; charset="utf-8" Call 'vugbm_buffer_destroy' in error path to avoid resource leak. Fixes: CVE-2021-3544 Reported-by: Li Qiang Reviewed-by: Prasad J Pandit Signed-off-by: Li Qiang --- contrib/vhost-user-gpu/vhost-user-gpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/contrib/vhost-user-gpu/vhost-user-gpu.c b/contrib/vhost-user-g= pu/vhost-user-gpu.c index f73f292c9f..b5e153d0d6 100644 --- a/contrib/vhost-user-gpu/vhost-user-gpu.c +++ b/contrib/vhost-user-gpu/vhost-user-gpu.c @@ -349,6 +349,7 @@ vg_resource_create_2d(VuGpu *g, g_critical("%s: resource creation failed %d %d %d", __func__, c2d.resource_id, c2d.width, c2d.height); g_free(res); + vugbm_buffer_destroy(&res->buffer); cmd->error =3D VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY; return; } --=20 2.25.1