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{ "id": 2198162, "url": "http://patchwork.ozlabs.org/api/1.0/covers/2198162/?format=api", "project": { "id": 27, "url": "http://patchwork.ozlabs.org/api/1.0/projects/27/?format=api", "name": "Buildroot development", "link_name": "buildroot", "list_id": "buildroot.buildroot.org", "list_email": "buildroot@buildroot.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260219134834.151782-1-fabien.lehoussel@smile.fr>", "date": "2026-02-19T13:48:28", "name": "[v2,0/2] Linux kernel CVE filtering improvements", "submitter": { "id": 91059, "url": "http://patchwork.ozlabs.org/api/1.0/people/91059/?format=api", "name": "Fabien LEHOUSSEL", "email": "fabien.lehoussel@smile.fr" }, "series": [ { "id": 492679, "url": "http://patchwork.ozlabs.org/api/1.0/series/492679/?format=api", "date": "2026-02-19T13:48:28", "name": "Linux kernel CVE filtering improvements", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/492679/mbox/" } ], "headers": { "Return-Path": "<buildroot-bounces@buildroot.org>", "X-Original-To": [ "incoming-buildroot@patchwork.ozlabs.org", "buildroot@buildroot.org" ], "Delivered-To": [ "patchwork-incoming-buildroot@legolas.ozlabs.org", "buildroot@buildroot.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=buildroot.org header.i=@buildroot.org\n header.a=rsa-sha256 header.s=default header.b=lOo+m2KK;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=buildroot.org\n (client-ip=140.211.166.137; helo=smtp4.osuosl.org;\n envelope-from=buildroot-bounces@buildroot.org; receiver=patchwork.ozlabs.org)" ], "Received": [ "from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fGvqK4Nbkz1xvg\n\tfor <incoming-buildroot@patchwork.ozlabs.org>;\n Fri, 20 Feb 2026 00:48:45 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby smtp4.osuosl.org (Postfix) with ESMTP id 545154097A;\n\tThu, 19 Feb 2026 13:48:43 +0000 (UTC)", "from smtp4.osuosl.org ([127.0.0.1])\n by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id oVfT8bTSXUVQ; Thu, 19 Feb 2026 13:48:42 +0000 (UTC)", "from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142])\n\tby smtp4.osuosl.org (Postfix) with ESMTP id 7415B4098E;\n\tThu, 19 Feb 2026 13:48:42 +0000 (UTC)", "from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n by lists1.osuosl.org (Postfix) with ESMTP id F34DF1CE\n for <buildroot@buildroot.org>; Thu, 19 Feb 2026 13:48:40 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n by smtp2.osuosl.org (Postfix) with ESMTP id D85AF403E3\n for <buildroot@buildroot.org>; Thu, 19 Feb 2026 13:48:40 +0000 (UTC)", "from smtp2.osuosl.org ([127.0.0.1])\n by localhost (smtp2.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id ZrBaYiqrpTSM for <buildroot@buildroot.org>;\n Thu, 19 Feb 2026 13:48:40 +0000 (UTC)", "from mail-wm1-x32f.google.com (mail-wm1-x32f.google.com\n [IPv6:2a00:1450:4864:20::32f])\n by smtp2.osuosl.org (Postfix) with ESMTPS id 763D1403CC\n for <buildroot@buildroot.org>; Thu, 19 Feb 2026 13:48:39 +0000 (UTC)", "by mail-wm1-x32f.google.com with SMTP id\n 5b1f17b1804b1-4806bf39419so14735405e9.1\n for <buildroot@buildroot.org>; Thu, 19 Feb 2026 05:48:39 -0800 (PST)", "from FRSMI25-GRAVITY.idf.intranet\n (static-css-ccs-204145.business.bouyguestelecom.com. 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charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "buildroot-bounces@buildroot.org", "Sender": "\"buildroot\" <buildroot-bounces@buildroot.org>" }, "content": "This patch series adds support for generating compile_commands.json during\nthe Linux kernel build and provides kernel CVE filtering based on which files\nare actually compiled, significantly reducing false positives in CVE reports.\n\nChanges from v1:\nFollowing Thomas' suggestion (https://lists.buildroot.org/pipermail/buildroot/2026-February/797289.html) \nthis v2 implements kernel CVE filtering directly into cve-check rather than as a separate script\n\n1. Kernel build generates compile_commands.json (optional, via Kconfig)\n2. cve-check script enhanced with optional kernel CVE filtering\n - Automatically activates when --cc-path and --cna-path are provided\n - Uses CNA database to determine which files are affected by each CVE\n - Matches against compile_commands.json to filter false positives\n - Keeps CVEs where affected files ARE compiled\n - Removes CVEs where NO affected files are compiled\n - Keeps uncertain CVEs (CNA database lacks information) for review\n\nFabien Lehoussel (2):\n linux/linux.mk: add generation of compile_commands.json\n support/scripts/cve-check: add kernel CVE filtering based on compiled\n files\n\n linux/Config.in | 20 +++\n linux/linux.mk | 12 ++\n support/scripts/cve-check | 118 ++++++++++++++-\n support/scripts/cve.py | 292 +++++++++++++++++++++++++++++++++++---\n 4 files changed, 415 insertions(+), 27 deletions(-)" }