curl: patch CVE-2025-15079

Pick patch per [1].

[1] https://curl.se/docs/CVE-2025-15079.html

(From OE-Core rev: 8ce2a761c2f00e9c7782654cf6d6384ccd3f6e16)

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
Signed-off-by: Paul Barker <paul@pbarker.dev>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 33 insertions, 0 deletions

diff --git a/meta/recipes-support/curl/curl/CVE-2025-15079.patch b/meta/recipes-support/curl/curl/CVE-2025-15079.patch
new file mode 100644
index 0000000000..47fa518309
--- /dev/null
+++ b/meta/recipes-support/curl/curl/CVE-2025-15079.patch
@@ -0,0 +1,32 @@
+From adca486c125d9a6d9565b9607a19dce803a8b479 Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Wed, 24 Dec 2025 17:47:03 +0100
+Subject: [PATCH] libssh: set both knownhosts options to the same file
+
+Reported-by: Harry Sintonen
+
+Closes #20092
+
+CVE: CVE-2025-15079
+Upstream-Status: Backport [https://github.com/curl/curl/commit/adca486c125d9a6d9565b9607a19dce803a8b479]
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+---
+ lib/vssh/libssh.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/lib/vssh/libssh.c b/lib/vssh/libssh.c
+index 7d5905c83d..98c109ab59 100644
+--- a/lib/vssh/libssh.c
++++ b/lib/vssh/libssh.c
+@@ -2224,6 +2224,11 @@ static CURLcode myssh_connect(struct Curl_easy *data, bool *done)
+     infof(data, "Known hosts: %s", data->set.str[STRING_SSH_KNOWNHOSTS]);
+     rc = ssh_options_set(ssh->ssh_session, SSH_OPTIONS_KNOWNHOSTS,
+                          data->set.str[STRING_SSH_KNOWNHOSTS]);
++    if(rc == SSH_OK)
++      /* libssh has two separate options for this. Set both to the same file
++         to avoid surprises */
++      rc = ssh_options_set(ssh->ssh_session, SSH_OPTIONS_GLOBAL_KNOWNHOSTS,
++                           data->set.str[STRING_SSH_KNOWNHOSTS]);
+     if(rc != SSH_OK) {
+       failf(data, "Could not set known hosts file path");
+       return CURLE_FAILED_INIT;
diff --git a/meta/recipes-support/curl/curl_7.82.0.bb b/meta/recipes-support/curl/curl_7.82.0.bb
index db3dc01929..9c1a90e191 100644
--- a/meta/recipes-support/curl/curl_7.82.0.bb
+++ b/meta/recipes-support/curl/curl_7.82.0.bb
@@ -68,6 +68,7 @@ SRC_URI = "https://curl.se/download/${BP}.tar.xz \
            file://CVE-2025-0167.patch \
            file://CVE-2025-9086.patch \
            file://CVE-2025-14017.patch \
+           file://CVE-2025-15079.patch \
            "
 SRC_URI[sha256sum] = "0aaa12d7bd04b0966254f2703ce80dd5c38dbbd76af0297d3d690cdce58a583c"