From: "Theo Gaige (Schneider Electric)" <[email protected]>
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) <[email protected]> --- .../dhcpcd/dhcpcd_10.3.2.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_10.3.2.bb b/meta/recipes-connectivity/dhcpcd/dhcpcd_10.3.2.bb index 12ba7a1152..3a6e967657 100644 --- a/meta/recipes-connectivity/dhcpcd/dhcpcd_10.3.2.bb +++ b/meta/recipes-connectivity/dhcpcd/dhcpcd_10.3.2.bb @@ -16,6 +16,7 @@ SRC_URI = "git://github.com/NetworkConfiguration/dhcpcd;protocol=https;branch=ma file://[email protected] \ file://0001-dhcpcd.8-Fix-conflict-error-when-enable-multilib.patch \ file://CVE-2026-56113.patch \ + file://CVE-2026-56114.patch \ " SRCREV = "243ad84ac67a87d631ff7eb83b2eed2727acebb5" 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 0000000000..a6b8a44515 --- /dev/null +++ b/meta/recipes-connectivity/dhcpcd/files/CVE-2026-56114.patch @@ -0,0 +1,34 @@ +From 2e27969699676e664898c8f82e2c047762fc426f Mon Sep 17 00:00:00 2001 +From: Roy Marples <[email protected]> +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 <[email protected]> + +(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) <[email protected]> +--- + 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 + -- 2.43.0
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