From ba6c5d806925318b86beae2ae1ebd609101ade3b Mon Sep 17 00:00:00 2001 From: Vijay Anusuri Date: Wed, 18 Mar 2026 13:39:10 +0530 Subject: [PATCH] inetutils: Fix CVE-2026-32746 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 (From OE-Core rev: 53a3cdf7b55b76ec64a314f5fafced4a803ac12f) Signed-off-by: Vijay Anusuri Signed-off-by: Yoann Congal Signed-off-by: Paul Barker --- .../inetutils/inetutils/CVE-2026-32746.patch | 40 +++++++++++++++++++ .../inetutils/inetutils_2.5.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 0000000000..0e55f3f0a4 --- /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 b3cc117..9d6bad1 100644 +--- a/telnetd/slc.c ++++ b/telnetd/slc.c +@@ -162,6 +162,9 @@ get_slc_defaults (void) + void + add_slc (register char func, register char flag, register 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_2.5.bb b/meta/recipes-connectivity/inetutils/inetutils_2.5.bb index 6c53902356..29ff62379d 100644 --- a/meta/recipes-connectivity/inetutils/inetutils_2.5.bb +++ b/meta/recipes-connectivity/inetutils/inetutils_2.5.bb @@ -21,6 +21,7 @@ SRC_URI = "${GNU_MIRROR}/inetutils/inetutils-${PV}.tar.xz \ file://CVE-2026-24061-1.patch \ file://CVE-2026-24061-2.patch \ file://CVE-2026-28372.patch \ + file://CVE-2026-32746.patch \ " inherit autotools gettext update-alternatives texinfo