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GET /api/patches/2226110/?format=api
{ "id": 2226110, "url": "http://patchwork.ozlabs.org/api/patches/2226110/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422092910.444997-5-kraxel@redhat.com/", "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": "<20260422092910.444997-5-kraxel@redhat.com>", "list_archive_url": null, "date": "2026-04-22T09:29:07", "name": "[4/6] hw/uefi: add name_size check to uefi_vars_mm_lock_variable()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "cfb49ad487c75b8017c50fae8c5d64377a0207d3", "submitter": { "id": 589, "url": "http://patchwork.ozlabs.org/api/people/589/?format=api", "name": "Gerd Hoffmann", "email": "kraxel@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422092910.444997-5-kraxel@redhat.com/mbox/", "series": [ { "id": 500953, "url": "http://patchwork.ozlabs.org/api/series/500953/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500953", "date": "2026-04-22T09:29:03", "name": "hw/uefi: a batch of security fixes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500953/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226110/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226110/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\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=jFCpEd9S;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.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 4g0v8v3Vdtz1y2d\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 19:30:39 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wFTtf-000454-KL; Wed, 22 Apr 2026 05:29:27 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <kraxel@redhat.com>) id 1wFTtc-00043p-HS\n for qemu-devel@nongnu.org; Wed, 22 Apr 2026 05:29:24 -0400", "from us-smtp-delivery-124.mimecast.com ([170.10.129.124])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <kraxel@redhat.com>) id 1wFTtb-0007od-6h\n for qemu-devel@nongnu.org; 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Wed, 22 Apr 2026 11:29:10 +0200 (CEST)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1776850162;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=o8Wog/zASyqMNyMHu1/jjwJes0eUIXzrD5Poy02nObg=;\n b=jFCpEd9SUD6Duhk1O1tAmEQS5OARiN7Crl9wjsVg3RgVJXytQLOTvCvPTIeEBvkorElsOU\n YPMF38Yf0UVBdrRgN+4seKm5yMUDEb/Kx8Y4jS3zukNMPeFxSfRsxzfI8NoOzFdjEX5zOI\n WZmBlsrDvtVcAC96L7R08HwQAlm8YhE=", "X-MC-Unique": "RD_LWhThPbuiu1Sy2SsDZw-1", "X-Mimecast-MFC-AGG-ID": "RD_LWhThPbuiu1Sy2SsDZw_1776850157", "From": "Gerd Hoffmann <kraxel@redhat.com>", "To": "qemu-devel@nongnu.org", "Cc": "Gerd Hoffmann <kraxel@redhat.com>,\n Katherine Leaver <katherine.j.leaver@gmail.com>", "Subject": "[PATCH 4/6] hw/uefi: add name_size check to\n uefi_vars_mm_lock_variable()", "Date": "Wed, 22 Apr 2026 11:29:07 +0200", "Message-ID": "<20260422092910.444997-5-kraxel@redhat.com>", "In-Reply-To": "<20260422092910.444997-1-kraxel@redhat.com>", "References": "<20260422092910.444997-1-kraxel@redhat.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.4", "Received-SPF": "pass client-ip=170.10.129.124; envelope-from=kraxel@redhat.com;\n helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n SPF_HELO_PASS=-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": "Make sure the total variable_policy_entry size stays below\n64k so the (16-bit) size field can not wrap.\n\nFixes: CVE-2026-41438\nFixes: db1ecfb473ac (\"hw/uefi: add var-service-vars.c\")\nReported-by: Katherine Leaver <katherine.j.leaver@gmail.com>\nSigned-off-by: Gerd Hoffmann <kraxel@redhat.com>\n---\n hw/uefi/var-service-vars.c | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/hw/uefi/var-service-vars.c b/hw/uefi/var-service-vars.c\nindex 24e6516a9cc0..2c83130ebf63 100644\n--- a/hw/uefi/var-service-vars.c\n+++ b/hw/uefi/var-service-vars.c\n@@ -667,6 +667,9 @@ uefi_vars_mm_lock_variable(uefi_vars_state *uv, mm_header *mhdr,\n if (mhdr->length < length) {\n return uefi_vars_mm_error(mhdr, mvar, EFI_BAD_BUFFER_SIZE);\n }\n+ if (sizeof(*pe) + lv->name_size > UINT16_MAX) {\n+ return uefi_vars_mm_error(mhdr, mvar, EFI_BAD_BUFFER_SIZE);\n+ }\n \n uefi_trace_variable(__func__, lv->guid, name, lv->name_size);\n \n", "prefixes": [ "4/6" ] }