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Sun, 05 Jul 2026 15:43:01 -0700 (PDT) Received: from FRSMI25-LASER.lan ([2001:861:8010:5750:6d3a:72ff:5857:d2a8]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47aa0960af0sm17943606f8f.30.2026.07.05.15.43.00 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Jul 2026 15:43:00 -0700 (PDT) From: Yoann Congal To: openembedded-core@lists.openembedded.org Subject: [OE-core][wrynose 31/55] dhcpcd: patch CVE-2026-56114 Date: Mon, 6 Jul 2026 00:41:21 +0200 Message-ID: <243715bf7c611d1358f83e67cd9bb6ee76f4084f.1783289522.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 ; Sun, 05 Jul 2026 22:43:08 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/240184 From: Theo Gaige (Schneider Electric) Backport patch [1] mentionned in [2] [1] https://github.com/NetworkConfiguration/dhcpcd/commit/2f00c7bfc408b6582d331932dfa47829c4819029 [2] https://security-tracker.debian.org/tracker/CVE-2026-56114 Signed-off-by: Theo Gaige (Schneider Electric) Signed-off-by: Yoann Congal --- .../dhcpcd/dhcpcd_10.3.1.bb | 1 + .../dhcpcd/files/CVE-2026-56114.patch | 34 +++++++++++++++++++ 2 files changed, 35 insertions(+) create mode 100644 meta/recipes-connectivity/dhcpcd/files/CVE-2026-56114.patch diff --git a/meta/recipes-connectivity/dhcpcd/dhcpcd_10.3.1.bb b/meta/recipes-connectivity/dhcpcd/dhcpcd_10.3.1.bb index b348c895e8b..8195cea029f 100644 --- a/meta/recipes-connectivity/dhcpcd/dhcpcd_10.3.1.bb +++ b/meta/recipes-connectivity/dhcpcd/dhcpcd_10.3.1.bb @@ -16,6 +16,7 @@ SRC_URI = "git://github.com/NetworkConfiguration/dhcpcd;protocol=https;branch=ma file://dhcpcd@.service \ file://0001-dhcpcd.8-Fix-conflict-error-when-enable-multilib.patch \ file://CVE-2026-56113.patch \ + file://CVE-2026-56114.patch \ " SRCREV = "42ff6d2548209af3185473e6cb6f9d235c48bbf4" diff --git a/meta/recipes-connectivity/dhcpcd/files/CVE-2026-56114.patch b/meta/recipes-connectivity/dhcpcd/files/CVE-2026-56114.patch new file mode 100644 index 00000000000..0c2be7edfc3 --- /dev/null +++ b/meta/recipes-connectivity/dhcpcd/files/CVE-2026-56114.patch @@ -0,0 +1,34 @@ +From 94766be134a053d88670377c70d3bdfc68b5db4a Mon Sep 17 00:00:00 2001 +From: Roy Marples +Date: Tue, 23 Jun 2026 02:06:55 +0100 +Subject: [PATCH] DHCPv6: Prefix exclude option can be 17 octets (#671) + +Well that's a simple off by one error + +Reported-by: CuB3y0nd + +(cherry picked from commit 2f00c7bfc408b6582d331932dfa47829c4819029) + +CVE: CVE-2026-56114 +Upstream-Status: Backport [https://github.com/NetworkConfiguration/dhcpcd/commit/2f00c7bfc408b6582d331932dfa47829c4819029] +Signed-off-by: Theo Gaige (Schneider Electric) +--- + src/dhcp6.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/dhcp6.c b/src/dhcp6.c +index 8a8a20a0..5e497cfd 100644 +--- a/src/dhcp6.c ++++ b/src/dhcp6.c +@@ -1093,7 +1093,7 @@ dhcp6_makemessage(struct interface *ifp) + + /* RFC6603 Section 4.2 */ + if (ap->prefix_exclude_len) { +- uint8_t exb[16], *ep, u8; ++ uint8_t exb[17], *ep, u8; + const uint8_t *pp; + + n = (size_t)((ap->prefix_exclude_len - +-- +2.43.0 +