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d="scan'208";a="536195442" Received: from rcdn-l-core-01.cisco.com ([173.37.255.138]) by rcdn-iport-4.cisco.com with ESMTP/TLS/TLS_AES_256_GCM_SHA384; 16 Oct 2026 03:37:26 +0000 Received: from sjc-ads-5245.cisco.com (sjc-ads-5245.cisco.com [10.28.23.9]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by rcdn-l-core-01.cisco.com (Postfix) with ESMTPS id C3A4918000312; Fri, 16 Oct 2026 03:37:26 +0000 (GMT) Received: by sjc-ads-5245.cisco.com (Postfix, from userid 1887505) id 6A71ECBF202; Thu, 15 Oct 2026 20:37:26 -0700 (PDT) From: "Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco)" To: openembedded-core@lists.openembedded.org Cc: xe-linux-external@cisco.com Subject: [OE-core][wrynose][PATCH 3/3] lrzsz: fix CVE-2026-105842 Date: Thu, 15 Oct 2026 20:37:26 -0700 Message-Id: <20261016033726.426908-3-hthakar@cisco.com> X-Mailer: git-send-email 2.35.6 In-Reply-To: <20261016033726.426908-1-hthakar@cisco.com> References: <20261016033726.426908-1-hthakar@cisco.com> MIME-Version: 1.0 X-Auto-Response-Suppress: DR, OOF, AutoReply X-Outbound-Client-TLS: ANONYMOUS;sjc-ads-5245.cisco.com [10.28.23.9];TLSv1.3;TLS_AES_256_GCM_SHA384;256 X-Outbound-SMTP-Client: 10.28.23.9, sjc-ads-5245.cisco.com X-Outbound-Node: rcdn-l-core-01.cisco.com 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 ; Fri, 16 Oct 2026 03:37:44 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/247905 From: Hetvi Thakar This patch applies the upstream fix as referenced in [2], using the commit shown in [1]. [1] https://github.com/UweOhse/lrzsz/commit/f8caa7b1b1a3a1bb50cf08677b15be7b17c2956f [2] https://www.vulncheck.com/advisories/lrzsz-before-0.13.0-heap-buffer-overflow-via-lrz-procheader-pathname Signed-off-by: Hetvi Thakar --- .../lrzsz/lrzsz-0.12.20/CVE-2026-105842.patch | 57 +++++++++++++++++++ meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb | 1 + 2 files changed, 58 insertions(+) create mode 100644 meta/recipes-bsp/lrzsz/lrzsz-0.12.20/CVE-2026-105842.patch diff --git a/meta/recipes-bsp/lrzsz/lrzsz-0.12.20/CVE-2026-105842.patch b/meta/recipes-bsp/lrzsz/lrzsz-0.12.20/CVE-2026-105842.patch new file mode 100644 index 00000000000..afa6a8ab3b4 --- /dev/null +++ b/meta/recipes-bsp/lrzsz/lrzsz-0.12.20/CVE-2026-105842.patch @@ -0,0 +1,57 @@ +From f8caa7b1b1a3a1bb50cf08677b15be7b17c2956f Mon Sep 17 00:00:00 2001 +From: Uwe Ohse at akiar +Date: Mon, 10 Aug 2026 18:40:36 +0200 +Subject: [PATCH] avoid buffer overflows by strdup instead of + malloc(PATH_MAX+...). + +CVE: CVE-2026-105842 +Upstream-Status: Backport [https://github.com/UweOhse/lrzsz/commit/f8caa7b1b1a3a1bb50cf08677b15be7b17c2956f] + +Backport Changes: +- Omitted NEWS because its 0.13.0 release-note hunk conflicts with the + 0.12.20 release history and is not needed for the security fix. + +(cherry picked from commit f8caa7b1b1a3a1bb50cf08677b15be7b17c2956f) +Signed-off-by: Hetvi Thakar +--- + src/lrz.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/src/lrz.c b/src/lrz.c +index 168636e..e11f909 100644 +--- a/src/lrz.c ++++ b/src/lrz.c +@@ -743,11 +743,10 @@ wcreceive(int argc, char **argp) + if (Pathname) + free(Pathname); + errno=0; +- Pathname=malloc(PATH_MAX+1); ++ Pathname=strdup(*argp); + if (!Pathname) + error(1,0,_("out of memory")); + +- strcpy(Pathname, *argp); + checkpath(Pathname); + #ifdef ENABLE_SYSLOG + shortname=strrchr(*argp,'/'); +@@ -1288,15 +1287,16 @@ procheader(char *name, struct zm_fileinfo *zi) + return OK; /* dummy */ + if (Pathname) + free(Pathname); +- Pathname=malloc((PATH_MAX)*2); ++ ++ Pathname=strdup(name_static); + if (!Pathname) + error(1,0,_("out of memory")); +- strcpy(Pathname, name_static); + if (Verbose) { + /* overwrite the "waiting to receive" line */ + vstring("\r \r"); + vstringf(_("Receiving: %s\n"), name_static); + } ++ + checkpath(name_static); + if (Nflag) + { +-- +2.35.6 diff --git a/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb b/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb index ec98f690153..a6d1f62c61e 100644 --- a/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb +++ b/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb @@ -23,6 +23,7 @@ SRC_URI = "https://www.ohse.de/uwe/releases/lrzsz-${PV}.tar.gz \ file://0001-lrzsz-convert-K-R-function-definitions-to-ANSI-C-pro.patch \ file://CVE-2026-105841.patch \ file://CVE-2026-105840.patch \ + file://CVE-2026-105842.patch \ " SRC_URI[sha256sum] = "c28b36b14bddb014d9e9c97c52459852f97bd405f89113f30bee45ed92728ff1"