openssh: Fix CVE-2025-32728

Upstream-Status: Backport [fc86875e6a]

(From OE-Core rev: 68413e1413eb87254d68f30920574b0e2c766782)

Signed-off-by: Vijay Anusuri <vanusuri@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/recipes-connectivity/openssh/openssh/CVE-2025-32728.patch

@@ -0,0 +1,44 @@
+From fc86875e6acb36401dfc1dfb6b628a9d1460f367 Mon Sep 17 00:00:00 2001
+From: "djm@openbsd.org" <djm@openbsd.org>
+Date: Wed, 9 Apr 2025 07:00:03 +0000
+Subject: [PATCH] upstream: Fix logic error in DisableForwarding option. This
+ option
+
+was documented as disabling X11 and agent forwarding but it failed to do so.
+Spotted by Tim Rice.
+
+OpenBSD-Commit-ID: fffc89195968f7eedd2fc57f0b1f1ef3193f5ed1
+
+Upstream-Status: Backport [https://github.com/openssh/openssh-portable/commit/fc86875e6acb36401dfc1dfb6b628a9d1460f367]
+CVE: CVE-2025-32728
+Signed-off-by: Vijay Anusuri <vanusuri@mvista.com>
+---
+ session.c | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/session.c b/session.c
+index e67d24d..625e97f 100644
+--- a/session.c
++++ b/session.c
+@@ -2182,7 +2182,8 @@ session_auth_agent_req(struct ssh *ssh, Session *s)
+ 	if ((r = sshpkt_get_end(ssh)) != 0)
+ 		sshpkt_fatal(ssh, r, "%s: parse packet", __func__);
+ 	if (!auth_opts->permit_agent_forwarding_flag ||
+-	    !options.allow_agent_forwarding) {
++	    !options.allow_agent_forwarding ||
++	    options.disable_forwarding) {
+ 		debug_f("agent forwarding disabled");
+ 		return 0;
+ 	}
+@@ -2568,7 +2569,7 @@ session_setup_x11fwd(struct ssh *ssh, Session *s)
+ 		ssh_packet_send_debug(ssh, "X11 forwarding disabled by key options.");
+ 		return 0;
+ 	}
+-	if (!options.x11_forwarding) {
++	if (!options.x11_forwarding || options.disable_forwarding) {
+ 		debug("X11 forwarding disabled in server configuration file.");
+ 		return 0;
+ 	}
+-- 
+2.25.1
+

meta/recipes-connectivity/openssh/openssh_8.9p1.bb

@@ -38,6 +38,7 @@ SRC_URI = "http://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-${PV}.tar
            file://CVE-2023-51385.patch \
            file://CVE-2024-6387.patch \
            file://CVE-2025-26465.patch \
+           file://CVE-2025-32728.patch \
            "
 SRC_URI[sha256sum] = "fd497654b7ab1686dac672fb83dfb4ba4096e8b5ffcdaccd262380ae58bec5e7"