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[2a01:cb00:1331:aa00:a2e4:fb7b:d88:7544]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43b6425eeb4sm9238332f8f.0.2026.03.20.16.07.26 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Mar 2026 16:07:26 -0700 (PDT) From: Yoann Congal To: openembedded-core@lists.openembedded.org Subject: [OE-core][whinlatter 1/7] inetutils: Fix CVE-2026-32746 Date: Sat, 21 Mar 2026 00:07:16 +0100 Message-ID: <46a29a287dffe7ee624e15b6659235be1c58c5ce.1774047909.git.yoann.congal@smile.fr> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: 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 ; Fri, 20 Mar 2026 23:07:43 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/233637 From: Vijay Anusuri Pick patch according to [1] [1] https://security-tracker.debian.org/tracker/CVE-2026-32746 [2] https://lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.html [3] https://codeberg.org/inetutils/inetutils/pulls/17/files Signed-off-by: Vijay Anusuri Signed-off-by: Yoann Congal --- .../inetutils/inetutils/CVE-2026-32746.patch | 40 +++++++++++++++++++ .../inetutils/inetutils_2.6.bb | 1 + 2 files changed, 41 insertions(+) create mode 100644 meta/recipes-connectivity/inetutils/inetutils/CVE-2026-32746.patch diff --git a/meta/recipes-connectivity/inetutils/inetutils/CVE-2026-32746.patch b/meta/recipes-connectivity/inetutils/inetutils/CVE-2026-32746.patch new file mode 100644 index 00000000000..dfab82f01f2 --- /dev/null +++ b/meta/recipes-connectivity/inetutils/inetutils/CVE-2026-32746.patch @@ -0,0 +1,40 @@ +From 6864598a29b652a6b69a958f5cd1318aa2b258af Mon Sep 17 00:00:00 2001 +From: Collin Funk +Date: Wed, 11 Mar 2026 23:06:46 -0700 +Subject: [PATCH] telnetd: fix stack buffer overflow processing SLC suboption triplets + +Previously a client could write past the end of an internal buffer using +an SLC suboption with many triplets using function octets greater than +18, possibly leading to remote code execution. Reported by Adiel Sol, +Arad Inbar, Erez Cohen, Nir Somech, Ben Grinberg, Daniel Lubel at DREAM +Security Research Team at: +. + +* telnetd/slc.c (add_slc): Return early if writing the tuple would lead +us to writing past the end of the buffer. +* NEWS.md: Mention the fix. + +Upstream-Status: Backport [https://cgit.git.savannah.gnu.org/cgit/inetutils.git/commit/?id=6864598a29b652a6b69a958f5cd1318aa2b258af] +CVE: CVE-2026-32746 +Signed-off-by: Vijay Anusuri +--- + telnetd/slc.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/telnetd/slc.c b/telnetd/slc.c +index be18782..3434829 100644 +--- a/telnetd/slc.c ++++ b/telnetd/slc.c +@@ -162,6 +162,9 @@ get_slc_defaults (void) + void + add_slc (char func, char flag, cc_t val) + { ++ /* Do nothing if the entire triplet cannot fit in the buffer. */ ++ if (slcbuf + sizeof slcbuf - slcptr <= 6) ++ return; + + if ((*slcptr++ = (unsigned char) func) == 0xff) + *slcptr++ = 0xff; +-- +2.43.0 + diff --git a/meta/recipes-connectivity/inetutils/inetutils_2.6.bb b/meta/recipes-connectivity/inetutils/inetutils_2.6.bb index 29a40143a28..9892507ad9a 100644 --- a/meta/recipes-connectivity/inetutils/inetutils_2.6.bb +++ b/meta/recipes-connectivity/inetutils/inetutils_2.6.bb @@ -21,6 +21,7 @@ SRC_URI = "${GNU_MIRROR}/inetutils/inetutils-${PV}.tar.xz \ file://CVE-2026-24061-01.patch \ file://CVE-2026-24061-02.patch \ file://CVE-2026-28372.patch \ + file://CVE-2026-32746.patch \ " inherit autotools gettext update-alternatives texinfo