libssh 0.10.6: Fix CVE-2025-8114

Upstream Repository: https://git.libssh.org/projects/libssh.git/

Bug Details: https://nvd.nist.gov/vuln/detail/CVE-2025-8114
Type: Security Fix
CVE: CVE-2025-8114
Score: 4.7
Patch: https://git.libssh.org/projects/libssh.git/commit/?id=53ac23ded4cb

Signed-off-by: Anil Dongare <adongare@cisco.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>

meta-oe/recipes-support/libssh/libssh/CVE-2025-8114.patch

@@ -0,0 +1,49 @@
+From 5f4950367c027aa91fcea240df354a856a4a0025 Mon Sep 17 00:00:00 2001
+From: Andreas Schneider <asn@cryptomilk.org>
+Date: Wed, 6 Aug 2025 15:17:59 +0200
+Subject: [PATCH] CVE-2025-8114: Fix NULL pointer dereference after allocation
+ failure
+
+CVE: CVE-2025-8114
+Upstream-Status: Backport [https://git.libssh.org/projects/libssh.git/commit/?id=53ac23ded4cb]
+
+Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
+Reviewed-by: Jakub Jelen <jjelen@redhat.com>
+(cherry picked from commit 53ac23ded4cb2c5463f6c4cd1525331bd578812d)
+Signed-off-by: Anil Dongare <adongare@cisco.com>
+---
+ src/kex.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/kex.c b/src/kex.c
+index fbc70cf4..b4bab277 100644
+--- a/src/kex.c
++++ b/src/kex.c
+@@ -1391,6 +1391,8 @@ int ssh_make_sessionid(ssh_session session)
+     ssh_log_hexdump("hash buffer", ssh_buffer_get(buf), ssh_buffer_get_len(buf));
+ #endif
+ 
++    /* Set rc for the following switch statement in case we goto error. */
++    rc = SSH_ERROR;
+     switch (session->next_crypto->kex_type) {
+     case SSH_KEX_DH_GROUP1_SHA1:
+     case SSH_KEX_DH_GROUP14_SHA1:
+@@ -1450,6 +1452,7 @@ int ssh_make_sessionid(ssh_session session)
+                session->next_crypto->secret_hash);
+         break;
+     }
++
+     /* During the first kex, secret hash and session ID are equal. However, after
+      * a key re-exchange, a new secret hash is calculated. This hash will not replace
+      * but complement existing session id.
+@@ -1458,6 +1461,7 @@ int ssh_make_sessionid(ssh_session session)
+         session->next_crypto->session_id = malloc(session->next_crypto->digest_len);
+         if (session->next_crypto->session_id == NULL) {
+             ssh_set_error_oom(session);
++            rc = SSH_ERROR;
+             goto error;
+         }
+         memcpy(session->next_crypto->session_id, session->next_crypto->secret_hash,
+-- 
+2.43.5
+

meta-oe/recipes-support/libssh/libssh_0.10.6.bb

@@ -17,6 +17,7 @@ SRC_URI = "git://git.libssh.org/projects/libssh.git;protocol=https;branch=stable
            file://CVE-2025-4878-0001.patch \
            file://CVE-2025-4878-0002.patch \
            file://CVE-2025-5987.patch \
+           file://CVE-2025-8114.patch \
           "
 SRCREV = "10e09e273f69e149389b3e0e5d44b8c221c2e7f6"