From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 17 Apr 2026 12:40:54 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wDgd4-00DABX-1X for lore@lore.pengutronix.de; Fri, 17 Apr 2026 12:40:54 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1wDgd3-0007iY-VM for lore@pengutronix.de; Fri, 17 Apr 2026 12:40:54 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LBaq+DpvZdZGD31TOUii6iK7bftewXJqIPUhDAYWnao=; b=VZwTMMFANny3i3sKw9h1RmjFnn dom52SKqWhbfBB/YDX12oPvACVwW0bkZ4ohQwMnUgVGC/qugX7wSTRRwkWkCQdWZ0a2b+//TLIBO3 j6gF0gvL+yPM6hJx/ndiAMyg8YiU5qtxtRn6IT1nJ2JiQHLOdaK+MZsLL4sKVRkM5wOUD+8zkqxFZ N3cFxuiuMpguMpzmZWSJwEub58pWeKnFzZYzLyrxnV8Ah9Ok/L0G+zRR3dbAKxuoWKFMZL7XLBbTe Yj5V9k/SV82zu4Pn7WgM3juoTHdI8xfb+7IPVBGivqWBnZwWG/iONo4C1EOe7XG6uLX+gkCvOjvKC BJrg2e2g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wDgcd-00000003uzM-0Bza; Fri, 17 Apr 2026 10:40:27 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wDgcY-00000003uy0-48DD for barebox@lists.infradead.org; Fri, 17 Apr 2026 10:40:25 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1wDgcX-0007S5-Ee; Fri, 17 Apr 2026 12:40:21 +0200 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wDgcX-005plr-0n; Fri, 17 Apr 2026 12:40:21 +0200 Received: from [::1] (helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1wDgcX-00000000euC-0l6o; Fri, 17 Apr 2026 12:40:21 +0200 From: Sascha Hauer To: BAREBOX , Sascha Hauer Cc: "Claude Opus 4.6 (1M context)" In-Reply-To: <20260402-net-dhcp-buffer-overflows-v2-0-fe4ca7c4b718@pengutronix.de> References: <20260402-net-dhcp-buffer-overflows-v2-0-fe4ca7c4b718@pengutronix.de> Message-Id: <177642242117.157093.10709267569919664093.b4-ty@pengutronix.de> Date: Fri, 17 Apr 2026 12:40:21 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260417_034023_041398_41BD43D3 X-CRM114-Status: UNSURE ( 5.29 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH v2 0/3] net: dhcp: fix buffer overflows X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Thu, 02 Apr 2026 08:59:56 +0200, Sascha Hauer wrote: > Fix buffer overflows on malicious incoming network packets or user data > in the dhcp code. > > Applied, thanks! [1/3] net: dhcp: add bounds checking to DHCP option parsing https://git.pengutronix.de/cgit/barebox/commit/?id=6199b241964b (link may not be stable) [2/3] net: dhcp: use xstrndup for bp_file to prevent read past field https://git.pengutronix.de/cgit/barebox/commit/?id=77929b00dc11 (link may not be stable) [3/3] net: dhcp: cap DHCP option string length to 255 bytes https://git.pengutronix.de/cgit/barebox/commit/?id=2626d503bdd6 (link may not be stable) Best regards, -- Sascha Hauer