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GET /api/patches/2195062/?format=api
{ "id": 2195062, "url": "http://patchwork.ozlabs.org/api/patches/2195062/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260210121526.68598-13-mjt@tls.msk.ru/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260210121526.68598-13-mjt@tls.msk.ru>", "list_archive_url": null, "date": "2026-02-10T12:15:09", "name": "[Stable-10.1.4,87/95] hw/virtio/virtio-crypto: verify asym request size", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a34c78e41bfb21f3f2d2246ee6b72b59768eee40", "submitter": { "id": 183, "url": "http://patchwork.ozlabs.org/api/people/183/?format=api", "name": "Michael Tokarev", "email": "mjt@tls.msk.ru" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260210121526.68598-13-mjt@tls.msk.ru/mbox/", "series": [ { "id": 491662, "url": "http://patchwork.ozlabs.org/api/series/491662/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491662", "date": "2026-02-10T12:14:58", "name": "Patch Round-up for stable 10.1.4, freeze on 2026-02-10 (frozen)", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/491662/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2195062/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2195062/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)", "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4f9LK92t2qz1xtr\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 10 Feb 2026 23:21:49 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1vpmij-0000fY-TH; Tue, 10 Feb 2026 07:19:58 -0500", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mjt@tls.msk.ru>)\n id 1vpmgn-0004iY-94; Tue, 10 Feb 2026 07:17:57 -0500", "from isrv.corpit.ru ([212.248.84.144])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mjt@tls.msk.ru>)\n id 1vpmgl-0000pJ-96; Tue, 10 Feb 2026 07:17:56 -0500", "from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2])\n by isrv.corpit.ru (Postfix) with ESMTP id 134EB187DBF;\n Tue, 10 Feb 2026 15:14:47 +0300 (MSK)", "from think4mjt.tls.msk.ru (mjtthink.wg.tls.msk.ru [192.168.177.146])\n by tsrv.corpit.ru (Postfix) with ESMTP id A13DA360CE4;\n Tue, 10 Feb 2026 15:15:42 +0300 (MSK)" ], "From": "Michael Tokarev <mjt@tls.msk.ru>", "To": "qemu-devel@nongnu.org", "Cc": "qemu-stable@nongnu.org, zhenwei pi <pizhenwei@tensorfer.com>,\n\t=?utf-8?b?7J207J6s7JiB?= <nakamurajames123@gmail.com>,\n zhenwei pi <zhenwei.pi@linux.dev>, \"Michael S. Tsirkin\" <mst@redhat.com>,\n Michael Tokarev <mjt@tls.msk.ru>", "Subject": "[Stable-10.1.4 87/95] hw/virtio/virtio-crypto: verify asym request\n size", "Date": "Tue, 10 Feb 2026 15:15:09 +0300", "Message-ID": "<20260210121526.68598-13-mjt@tls.msk.ru>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<qemu-stable-10.1.4-20260210151454@cover.tls.msk.ru>", "References": "<qemu-stable-10.1.4-20260210151454@cover.tls.msk.ru>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=212.248.84.144; envelope-from=mjt@tls.msk.ru;\n helo=isrv.corpit.ru", "X-Spam_score_int": "-18", "X-Spam_score": "-1.9", "X-Spam_bar": "-", "X-Spam_report": "(-1.9 / 5.0 requ) BAYES_00=-1.9,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n 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": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: zhenwei pi <pizhenwei@tensorfer.com>\n\nThe total lenght of request is limited by cryptodev config, verify it\nto avoid unexpected request from guest.\n\nFixes: CVE-2025-14876\nFixes: 0e660a6f90a (\"crypto: Introduce RSA algorithm\")\nReported-by: 이재영 <nakamurajames123@gmail.com>\nSigned-off-by: zhenwei pi <zhenwei.pi@linux.dev>\nReviewed-by: Michael S. Tsirkin <mst@redhat.com>\nSigned-off-by: Michael S. Tsirkin <mst@redhat.com>\nMessage-Id: <20251221024321.143196-2-zhenwei.pi@linux.dev>\n(cherry picked from commit 91c6438caffc880e999a7312825479685d659b44)\nSigned-off-by: Michael Tokarev <mjt@tls.msk.ru>", "diff": "diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c\nindex 517f2089c5..b20f299937 100644\n--- a/hw/virtio/virtio-crypto.c\n+++ b/hw/virtio/virtio-crypto.c\n@@ -767,11 +767,18 @@ virtio_crypto_handle_asym_req(VirtIOCrypto *vcrypto,\n uint32_t len;\n uint8_t *src = NULL;\n uint8_t *dst = NULL;\n+ uint64_t max_len;\n \n asym_op_info = g_new0(CryptoDevBackendAsymOpInfo, 1);\n src_len = ldl_le_p(&req->para.src_data_len);\n dst_len = ldl_le_p(&req->para.dst_data_len);\n \n+ max_len = (uint64_t)src_len + dst_len;\n+ if (unlikely(max_len > vcrypto->conf.max_size)) {\n+ virtio_error(vdev, \"virtio-crypto asym request is too large\");\n+ goto err;\n+ }\n+\n if (src_len > 0) {\n src = g_malloc0(src_len);\n len = iov_to_buf(iov, out_num, 0, src, src_len);\n", "prefixes": [ "Stable-10.1.4", "87/95" ] }