Hi Yoann, As kirkstone LTS going to end this month, I've sent patches for both kirkstone and scarthgap first.
I will send patches for whinlatter soon. Thanks for reminding me. Thanks & Regards, Vijay On Sat, 28 Mar, 2026, 4:53 am Yoann Congal, <[email protected]> wrote: > On Wed Mar 25, 2026 at 8:23 AM CET, Vijay Anusuri via > lists.openembedded.org wrote: > > Pick patch mentioned in NVD > > > > [1] https://nvd.nist.gov/vuln/detail/CVE-2026-27448 > > [2] https://ubuntu.com/security/CVE-2026-27448 > > > > Signed-off-by: Vijay Anusuri <[email protected]> > > --- > > Hello, > > As far as I can tell, this CVE also applies to whinlatter. You need to > send the fix there before I can take it for scarthgap and kirkstone. > > That also applies to the 2/2 patch. > > Regards, > > > > .../python3-pyopenssl/CVE-2026-27448.patch | 124 ++++++++++++++++++ > > .../python/python3-pyopenssl_24.0.0.bb | 4 + > > 2 files changed, 128 insertions(+) > > create mode 100644 > meta/recipes-devtools/python/python3-pyopenssl/CVE-2026-27448.patch > > > > diff --git > a/meta/recipes-devtools/python/python3-pyopenssl/CVE-2026-27448.patch > b/meta/recipes-devtools/python/python3-pyopenssl/CVE-2026-27448.patch > > new file mode 100644 > > index 0000000000..87f46b4cb0 > > --- /dev/null > > +++ b/meta/recipes-devtools/python/python3-pyopenssl/CVE-2026-27448.patch > > @@ -0,0 +1,124 @@ > > +From d41a814759a9fb49584ca8ab3f7295de49a85aa0 Mon Sep 17 00:00:00 2001 > > +From: Alex Gaynor <[email protected]> > > +Date: Mon, 16 Feb 2026 21:04:37 -0500 > > +Subject: [PATCH] Handle exceptions in set_tlsext_servername_callback > callbacks > > + (#1478) > > + > > +When the servername callback raises an exception, call sys.excepthook > > +with the exception info and return SSL_TLSEXT_ERR_ALERT_FATAL to abort > > +the handshake. Previously, exceptions would propagate uncaught through > > +the CFFI callback boundary. > > + > > +https://claude.ai/code/session_01P7y1XmWkdtC5UcmZwGDvGi > > + > > +Co-authored-by: Claude <[email protected]> > > + > > +Upstream-Status: Backport [ > https://github.com/pyca/pyopenssl/commit/d41a814759a9fb49584ca8ab3f7295de49a85aa0 > ] > > +CVE: CVE-2026-27448 > > +Signed-off-by: Vijay Anusuri <[email protected]> > > +--- > > + CHANGELOG.rst | 1 + > > + src/OpenSSL/SSL.py | 7 ++++++- > > + tests/test_ssl.py | 50 ++++++++++++++++++++++++++++++++++++++++++++++ > > + 3 files changed, 57 insertions(+), 1 deletion(-) > > + > > +diff --git a/CHANGELOG.rst b/CHANGELOG.rst > > +index 6e23770..12e60e4 100644 > > +--- a/CHANGELOG.rst > > ++++ b/CHANGELOG.rst > > +@@ -18,6 +18,7 @@ Changes: > > + > > + - Added ``OpenSSL.SSL.Connection.get_selected_srtp_profile`` to > determine which SRTP profile was negotiated. > > + `#1279 <https://github.com/pyca/pyopenssl/pull/1279>`_. > > ++- ``Context.set_tlsext_servername_callback`` now handles exceptions > raised in the callback by calling ``sys.excepthook`` and returning a fatal > TLS alert. Previously, exceptions were silently swallowed and the handshake > would proceed as if the callback had succeeded. > > + > > + 23.3.0 (2023-10-25) > > + ------------------- > > +diff --git a/src/OpenSSL/SSL.py b/src/OpenSSL/SSL.py > > +index 4db5240..a6263c4 100644 > > +--- a/src/OpenSSL/SSL.py > > ++++ b/src/OpenSSL/SSL.py > > +@@ -1,5 +1,6 @@ > > + import os > > + import socket > > ++import sys > > + import typing > > + from errno import errorcode > > + from functools import partial, wraps > > +@@ -1567,7 +1568,11 @@ class Context: > > + > > + @wraps(callback) > > + def wrapper(ssl, alert, arg): > > +- callback(Connection._reverse_mapping[ssl]) > > ++ try: > > ++ callback(Connection._reverse_mapping[ssl]) > > ++ except Exception: > > ++ sys.excepthook(*sys.exc_info()) > > ++ return _lib.SSL_TLSEXT_ERR_ALERT_FATAL > > + return 0 > > + > > + self._tlsext_servername_callback = _ffi.callback( > > +diff --git a/tests/test_ssl.py b/tests/test_ssl.py > > +index ca5bf83..55489b9 100644 > > +--- a/tests/test_ssl.py > > ++++ b/tests/test_ssl.py > > +@@ -1855,6 +1855,56 @@ class TestServerNameCallback: > > + > > + assert args == [(server, b"foo1.example.com")] > > + > > ++ def test_servername_callback_exception( > > ++ self, monkeypatch: pytest.MonkeyPatch > > ++ ) -> None: > > ++ """ > > ++ When the callback passed to > `Context.set_tlsext_servername_callback` > > ++ raises an exception, ``sys.excepthook`` is called with the > exception > > ++ and the handshake fails with an ``Error``. > > ++ """ > > ++ exc = TypeError("server name callback failed") > > ++ > > ++ def servername(conn: Connection) -> None: > > ++ raise exc > > ++ > > ++ excepthook_calls: list[ > > ++ tuple[type[BaseException], BaseException, object] > > ++ ] = [] > > ++ > > ++ def custom_excepthook( > > ++ exc_type: type[BaseException], > > ++ exc_value: BaseException, > > ++ exc_tb: object, > > ++ ) -> None: > > ++ excepthook_calls.append((exc_type, exc_value, exc_tb)) > > ++ > > ++ context = Context(SSLv23_METHOD) > > ++ context.set_tlsext_servername_callback(servername) > > ++ > > ++ # Necessary to actually accept the connection > > ++ context.use_privatekey(load_privatekey(FILETYPE_PEM, > server_key_pem)) > > ++ context.use_certificate( > > ++ load_certificate(FILETYPE_PEM, server_cert_pem) > > ++ ) > > ++ > > ++ # Do a little connection to trigger the logic > > ++ server = Connection(context, None) > > ++ server.set_accept_state() > > ++ > > ++ client = Connection(Context(SSLv23_METHOD), None) > > ++ client.set_connect_state() > > ++ client.set_tlsext_host_name(b"foo1.example.com") > > ++ > > ++ monkeypatch.setattr(sys, "excepthook", custom_excepthook) > > ++ with pytest.raises(Error): > > ++ interact_in_memory(server, client) > > ++ > > ++ assert len(excepthook_calls) == 1 > > ++ assert excepthook_calls[0][0] is TypeError > > ++ assert excepthook_calls[0][1] is exc > > ++ assert excepthook_calls[0][2] is not None > > ++ > > + > > + class TestApplicationLayerProtoNegotiation: > > + """ > > +-- > > +2.43.0 > > + > > diff --git a/meta/recipes-devtools/python/python3-pyopenssl_24.0.0.bb > b/meta/recipes-devtools/python/python3-pyopenssl_24.0.0.bb > > index 116f214bfa..bc0b568a46 100644 > > --- a/meta/recipes-devtools/python/python3-pyopenssl_24.0.0.bb > > +++ b/meta/recipes-devtools/python/python3-pyopenssl_24.0.0.bb > > @@ -10,6 +10,10 @@ SRC_URI[sha256sum] = > "6aa33039a93fffa4563e655b61d11364d01264be8ccb49906101e02a33 > > PYPI_PACKAGE = "pyOpenSSL" > > inherit pypi setuptools3 > > > > +SRC_URI += " \ > > + file://CVE-2026-27448.patch \ > > +" > > + > > PACKAGES =+ "${PN}-tests" > > FILES:${PN}-tests = "${libdir}/${PYTHON_DIR}/site-packages/OpenSSL/test" > > > > > -- > Yoann Congal > Smile ECS > >
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