From patchwork Sun Jan 4 09:12:51 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gyorgy Sarvari X-Patchwork-Id: 77973 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2ABF6C2A069 for ; Sun, 4 Jan 2026 09:13:02 +0000 (UTC) Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) by mx.groups.io with SMTP id smtpd.msgproc02-g2.40070.1767517978632108889 for ; Sun, 04 Jan 2026 01:12:58 -0800 Authentication-Results: mx.groups.io; dkim=pass header.i=@gmail.com header.s=20230601 header.b=Xir/h038; spf=pass (domain: gmail.com, ip: 209.85.128.52, mailfrom: skandigraun@gmail.com) Received: by mail-wm1-f52.google.com with SMTP id 5b1f17b1804b1-47d3ba3a4deso42045615e9.2 for ; Sun, 04 Jan 2026 01:12:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1767517977; x=1768122777; darn=lists.openembedded.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=I0BdsLP0SyISk8g+K6y65QfMbi3f4bvfBs0TxsFnRTo=; b=Xir/h038QXjhaPM41aOY9CCoK5JkD+AZPbIO6G+roQIxPPuMBFSyA/ffq5yZngx9Zx 6um4PtmrwS1ZFI8WqsHyq99rKYKoX1+aEpn1wQHl2Zd1lwYK1sbUhv+o+KA9f42bGo1E DcF7wyLZIeJNhXhCZKpaVebqMpD5Cw6f7IoMO+/khKWYvo3eSaNVDmjKVJ9e4J7Z6X29 HEf0qm4f88OVMEkO/vg0w1jhM2bICehcH45d7c94gzzBi3hRTvX8RwmWQjTlug/ZOqI+ KKewT32EoFZSQuVzdU8/c48wnQZAGWGdNldLVfgHB6uIsCxg3Gp1Nmwz2XhFB1cor8cf pD8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767517977; x=1768122777; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=I0BdsLP0SyISk8g+K6y65QfMbi3f4bvfBs0TxsFnRTo=; b=U0nvw2LD+mrZFvFQo+2lJRfw+Bas+0jv+jQ7EI+R5MJxz0ZgxephapJD5ePDQBNI0D D0rh2lG2ZWAPXJy+kb5ujTd3YEmMt5tF1O70NWkUPzpa0JgWZDspscRr9p0O0EDztudY OJhFRy9aHESBJvQpUi5GAGN6orXWe/ld/aL2cbzsC+sW3IpzHqc6vo4GOLEGf04zCP3m TPc3K4y+wqpeo5q6Bol2eXn1WQPo41+dVzJKC5kqOncAUmcrLR2wd/ix/zxQAGYFekUF ELI+wUkzu/nWn8ZY5k34NuyDQ60iSEbyijtbTsJlw+AMvcGC/uzWsz1j+siuEP86lU3/ qZsg== X-Gm-Message-State: AOJu0YzDVx0vpU/4jlAOEd8BuRqvIvPMy4S+HmSa5AZwbNnWrzlcZiiE 7Py97kPNPIPElw4dy9n11ClOD2n/phrjjvCG19j2XL+W+15sLGPxJ1/SemQ+5A== X-Gm-Gg: AY/fxX62H5hc53Ne7WGAJAhj2PdXxtUJ25L36t/cYogbnYnHtDE34pTngVR/UYkr7/C 4wh1+C94bJjI8ZwHvE5btOSx16rFADU7ubmFcvAw9zIdWFZe6z+UKOcEW88VOv6ojbQu8TcyWP4 fSr3Hhk+Sl0PE6673I5aXYjpqtFxmhRvecAzN3UzG4LTcK2RvlGUAeQI5LmadGircCNv0EssNjA xRJGjUoyZr3iH9YfnVCDeFIYOx0sZTr7cFqkwL8M/fROtXv4Bmfg2YD6Ex94ACw4R4LNoZT4xBu ip0K2byUqwEpZyjvQQIgwlKFuTuLCXV+yNiZoLWyfzfX3O7VboXXC3fl5andj3HsSu96zDBeX6x +u889xxF/wNcqxmB3kMSX25qY4kw6IbDn4aYdROkw3KFZybfL7a1rLqBJv07AqpYuba+4xsgIud lpNS4Tnmwx X-Google-Smtp-Source: AGHT+IEM7Xa28fmegOYCpglOuoQtIqKsRM+twWsSmqIyIhvedtxe+GVddA1HYcb/rZ3Zla8Q3FvXaw== X-Received: by 2002:a05:600c:4e0d:b0:46e:48fd:a1a9 with SMTP id 5b1f17b1804b1-47d1959d2b4mr524505695e9.33.1767517976965; Sun, 04 Jan 2026 01:12:56 -0800 (PST) Received: from desktop ([51.154.145.205]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47d6d13e2bdsm84483275e9.3.2026.01.04.01.12.56 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Jan 2026 01:12:56 -0800 (PST) From: Gyorgy Sarvari To: openembedded-devel@lists.openembedded.org Subject: [meta-networking][kirkstone][PATCH 5/5] lldpd: patch CVE-2021-43612 Date: Sun, 4 Jan 2026 10:12:51 +0100 Message-ID: <20260104091251.2696384-5-skandigraun@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260104091251.2696384-1-skandigraun@gmail.com> References: <20260104091251.2696384-1-skandigraun@gmail.com> MIME-Version: 1.0 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Sun, 04 Jan 2026 09:13:02 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/123113 Details: https://nvd.nist.gov/vuln/detail/CVE-2021-43612 Pick the patch referenced by the NVD advisory. Signed-off-by: Gyorgy Sarvari --- .../lldpd/files/CVE-2021-43612.patch | 93 +++++++++++++++++++ .../recipes-daemons/lldpd/lldpd_1.0.8.bb | 12 +-- 2 files changed, 99 insertions(+), 6 deletions(-) create mode 100644 meta-networking/recipes-daemons/lldpd/files/CVE-2021-43612.patch diff --git a/meta-networking/recipes-daemons/lldpd/files/CVE-2021-43612.patch b/meta-networking/recipes-daemons/lldpd/files/CVE-2021-43612.patch new file mode 100644 index 0000000000..30d416d769 --- /dev/null +++ b/meta-networking/recipes-daemons/lldpd/files/CVE-2021-43612.patch @@ -0,0 +1,93 @@ +From 97ea7541a12540fa6680058f09d47be451275725 Mon Sep 17 00:00:00 2001 +From: Vincent Bernat +Date: Sun, 19 Sep 2021 21:18:47 +0200 +Subject: [PATCH] sonmp: fix heap overflow when reading SONMP packets + +By sending short SONMP packets, an attacker can make the decoder crash +by reading too much data on the heap. SONMP packets are fixed in size, +just ensure we get the enough bytes to contain a SONMP packet. + +CVE-2021-43612 + +CVE: CVE-2021-43612 +Upstream-Status: Backport [https://github.com/lldpd/lldpd/commit/73d42680fce8598324364dbb31b9bc3b8320adf7] +Signed-off-by: Gyorgy Sarvari +--- + src/daemon/protocols/sonmp.c | 2 +- + src/daemon/protocols/sonmp.h | 2 +- + tests/check_sonmp.c | 10 +++++----- + 3 files changed, 7 insertions(+), 7 deletions(-) + +diff --git a/src/daemon/protocols/sonmp.c b/src/daemon/protocols/sonmp.c +index d2eed15..6c80cb0 100644 +--- a/src/daemon/protocols/sonmp.c ++++ b/src/daemon/protocols/sonmp.c +@@ -311,7 +311,7 @@ sonmp_decode(struct lldpd *cfg, char *frame, int s, + + length = s; + pos = (u_int8_t*)frame; +- if (length < SONMP_SIZE) { ++ if (length < SONMP_SIZE + 2*ETHER_ADDR_LEN + sizeof(u_int16_t)) { + log_warnx("sonmp", "too short SONMP frame received on %s", hardware->h_ifname); + goto malformed; + } +diff --git a/src/daemon/protocols/sonmp.h b/src/daemon/protocols/sonmp.h +index 0e60106..ff7a720 100644 +--- a/src/daemon/protocols/sonmp.h ++++ b/src/daemon/protocols/sonmp.h +@@ -24,7 +24,7 @@ + #define LLC_ORG_NORTEL { 0x00, 0x00, 0x81 } + #define LLC_PID_SONMP_HELLO 0x01a2 + #define LLC_PID_SONMP_FLATNET 0x01a1 +-#define SONMP_SIZE (2*ETHER_ADDR_LEN + sizeof(u_int16_t) + 8) ++#define SONMP_SIZE 19 + + struct sonmp_chassis { + int type; +diff --git a/tests/check_sonmp.c b/tests/check_sonmp.c +index 8c7a208..b25f0e2 100644 +--- a/tests/check_sonmp.c ++++ b/tests/check_sonmp.c +@@ -33,7 +33,7 @@ START_TEST (test_send_sonmp) + IEEE 802.3 Ethernet + Destination: Bay-Networks-(Synoptics)-autodiscovery (01:00:81:00:01:00) + Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad) +- Length: 22 ++ Length: 19 + Logical-Link Control + DSAP: SNAP (0xaa) + IG Bit: Individual +@@ -55,7 +55,7 @@ Nortel Networks / SynOptics Network Management Protocol + IEEE 802.3 Ethernet + Destination: Bay-Networks-(Synoptics)-autodiscovery (01:00:81:00:01:01) + Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad) +- Length: 22 ++ Length: 19 + Logical-Link Control + DSAP: SNAP (0xaa) + IG Bit: Individual +@@ -76,13 +76,13 @@ Nortel Networks / SynOptics Network Management Protocol + */ + char pkt1[] = { + 0x01, 0x00, 0x81, 0x00, 0x01, 0x00, 0x5e, 0x10, +- 0x8e, 0xe7, 0x84, 0xad, 0x00, 0x16, 0xaa, 0xaa, ++ 0x8e, 0xe7, 0x84, 0xad, 0x00, 0x13, 0xaa, 0xaa, + 0x03, 0x00, 0x00, 0x81, 0x01, 0xa2, 0xac, 0x11, + 0x8e, 0x25, 0x00, 0x00, 0x04, 0x01, 0x0c, 0x03, + 0x01 }; + char pkt2[] = { + 0x01, 0x00, 0x81, 0x00, 0x01, 0x01, 0x5e, 0x10, +- 0x8e, 0xe7, 0x84, 0xad, 0x00, 0x16, 0xaa, 0xaa, ++ 0x8e, 0xe7, 0x84, 0xad, 0x00, 0x13, 0xaa, 0xaa, + 0x03, 0x00, 0x00, 0x81, 0x01, 0xa1, 0xac, 0x11, + 0x8e, 0x25, 0x00, 0x00, 0x04, 0x01, 0x0c, 0x03, + 0x01 }; +@@ -99,7 +99,7 @@ Nortel Networks / SynOptics Network Management Protocol + chassis.c_id_len = ETHER_ADDR_LEN; + TAILQ_INIT(&chassis.c_mgmt); + addr = inet_addr("172.17.142.37"); +- mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4, ++ mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4, + &addr, sizeof(in_addr_t), 0); + if (mgmt == NULL) + ck_abort(); diff --git a/meta-networking/recipes-daemons/lldpd/lldpd_1.0.8.bb b/meta-networking/recipes-daemons/lldpd/lldpd_1.0.8.bb index 022bb62dd8..34cde7b929 100644 --- a/meta-networking/recipes-daemons/lldpd/lldpd_1.0.8.bb +++ b/meta-networking/recipes-daemons/lldpd/lldpd_1.0.8.bb @@ -5,12 +5,12 @@ LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/ISC;md5=f3b90e DEPENDS = "libbsd libevent" -SRC_URI = "\ - http://media.luffy.cx/files/${BPN}/${BPN}-${PV}.tar.gz \ - file://lldpd.init.d \ - file://lldpd.default \ - file://CVE-2023-41910.patch \ - " +SRC_URI = "http://media.luffy.cx/files/${BPN}/${BPN}-${PV}.tar.gz \ + file://lldpd.init.d \ + file://lldpd.default \ + file://CVE-2023-41910.patch \ + file://CVE-2021-43612.patch \ + " SRC_URI[md5sum] = "000042dbf5b445f750b5ba01ab25c8ba" SRC_URI[sha256sum] = "98d200e76e30f6262c4a4493148c1840827898329146a57a34f8f0f928ca3def"