new file mode 100644
@@ -0,0 +1,60 @@
+From 3957f136e2ed23caf176a594b54b3827f5cef701 Mon Sep 17 00:00:00 2001
+From: Alexander Sosedkin <asosedkin@redhat.com>
+Date: Wed, 18 Mar 2026 18:19:06 +0100
+Subject: [PATCH] pkcs11_write: fix UAF and leak in gnutls_pkcs11_token_set_pin
+
+Changing Security Officer PIN with gnutls_pkcs11_token_set_pin() with
+oldpin == NULL for a token that lacks a protected authentication path
+led to a use-after-free.
+
+Reported-by: Luigino Camastra and Joshua Rogers of AISLE Research Team
+Fixes: #1766
+Fixes: #1809
+Fixes: CVE-2026-42014
+Fixes: GNUTLS-SA-2026-04-29-9
+CVSS: 4.0 Medium CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
+Signed-off-by: Alexander Sosedkin <asosedkin@redhat.com>
+
+CVE: CVE-2026-42014
+Upstream-Status: Backport [https://gitlab.com/gnutls/gnutls/-/commit/3957f136e2ed23caf176a594b54b3827f5cef701]
+
+Signed-off-by: Jakub Szczudlo <jakub.szczudlo@nokia.com>
+---
+diff --git a/lib/pkcs11_write.c b/lib/pkcs11_write.c
+index 64b85a2..1dff578 100644
+--- a/lib/pkcs11_write.c
++++ b/lib/pkcs11_write.c
+@@ -1266,10 +1266,9 @@ int gnutls_pkcs11_token_set_pin(const char *token_url, const char *oldpin,
+ ses_flags = SESSION_WRITE | SESSION_LOGIN;
+
+ ret = pkcs11_open_session(&sinfo, NULL, info, ses_flags);
+- p11_kit_uri_free(info);
+-
+ if (ret < 0) {
+ gnutls_assert();
++ p11_kit_uri_free(info);
+ return ret;
+ }
+
+@@ -1290,9 +1289,11 @@ int gnutls_pkcs11_token_set_pin(const char *token_url, const char *oldpin,
+ oldpin_size = L(oldpin);
+
+ if (!(sinfo.tinfo.flags & CKF_PROTECTED_AUTHENTICATION_PATH)) {
+- if (newpin == NULL)
+- return gnutls_assert_val(
++ if (newpin == NULL) {
++ ret = gnutls_assert_val(
+ GNUTLS_E_INVALID_REQUEST);
++ goto finish;
++ }
+
+ if (oldpin == NULL) {
+ struct pin_info_st pin_info;
+@@ -1324,6 +1325,7 @@ int gnutls_pkcs11_token_set_pin(const char *token_url, const char *oldpin,
+ ret = 0;
+
+ finish:
++ p11_kit_uri_free(info);
+ pkcs11_close_session(&sinfo);
+ return ret;
+ }
@@ -42,6 +42,7 @@ SRC_URI = "https://www.gnupg.org/ftp/gcrypt/gnutls/v${SHRT_VER}/gnutls-${PV}.tar
file://CVE-2026-42012.patch \
file://CVE-2026-42013-pre1.patch \
file://CVE-2026-42013.patch \
+ file://CVE-2026-42014.patch \
"
SRC_URI[sha256sum] = "a7b341421bfd459acf7a374ca4af3b9e06608dcd7bd792b2bf470bea012b8e51"
Backport patch to fix CVE-2026-42014. References: https://nvd.nist.gov/vuln/detail/CVE-2026-42014 Upstream fix: https://gitlab.com/gnutls/gnutls/-/commit/3957f136e2ed23caf176a594b54b3827f5cef701 Tested with ptest Signed-off-by: Jakub Szczudlo <jakub.szczudlo@nokia.com> --- .../gnutls/gnutls/CVE-2026-42014.patch | 60 +++++++++++++++++++ meta/recipes-support/gnutls/gnutls_3.8.12.bb | 1 + 2 files changed, 61 insertions(+) create mode 100644 meta/recipes-support/gnutls/gnutls/CVE-2026-42014.patch