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[2a01:cb00:1331:aa00:a2e4:fb7b:d88:7544]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a1bd972aebsm46376245e9.1.2026.10.14.22.03.38 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Oct 2026 22:03:38 -0700 (PDT) From: Yoann Congal To: openembedded-core@lists.openembedded.org Subject: [OE-core][scarthgap 04/55] gnutls: fix CVE-2026-42014 Date: Thu, 15 Oct 2026 07:02:27 +0200 Message-ID: X-Mailer: git-send-email 2.55.0 In-Reply-To: References: MIME-Version: 1.0 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Thu, 15 Oct 2026 05:03:51 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/247802 From: Jakub Szczudlo (Nokia) 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 Signed-off-by: Yoann Congal --- .../gnutls/gnutls/CVE-2026-42014.patch | 60 +++++++++++++++++++ meta/recipes-support/gnutls/gnutls_3.8.4.bb | 1 + 2 files changed, 61 insertions(+) create mode 100644 meta/recipes-support/gnutls/gnutls/CVE-2026-42014.patch diff --git a/meta/recipes-support/gnutls/gnutls/CVE-2026-42014.patch b/meta/recipes-support/gnutls/gnutls/CVE-2026-42014.patch new file mode 100644 index 00000000000..7fd0c163f8a --- /dev/null +++ b/meta/recipes-support/gnutls/gnutls/CVE-2026-42014.patch @@ -0,0 +1,60 @@ +From 3957f136e2ed23caf176a594b54b3827f5cef701 Mon Sep 17 00:00:00 2001 +From: Alexander Sosedkin +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 + +CVE: CVE-2026-42014 +Upstream-Status: Backport [https://gitlab.com/gnutls/gnutls/-/commit/3957f136e2ed23caf176a594b54b3827f5cef701] + +Signed-off-by: Jakub Szczudlo +--- +diff --git a/lib/pkcs11_write.c b/lib/pkcs11_write.c +index 961e1b9..9fe571e 100644 +--- a/lib/pkcs11_write.c ++++ b/lib/pkcs11_write.c +@@ -1267,10 +1267,9 @@ 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; + } + +@@ -1291,9 +1290,11 @@ 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; +@@ -1325,6 +1326,7 @@ 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; + } diff --git a/meta/recipes-support/gnutls/gnutls_3.8.4.bb b/meta/recipes-support/gnutls/gnutls_3.8.4.bb index f85feb7dd2e..8f24f01fd34 100644 --- a/meta/recipes-support/gnutls/gnutls_3.8.4.bb +++ b/meta/recipes-support/gnutls/gnutls_3.8.4.bb @@ -58,6 +58,7 @@ 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] = "2bea4e154794f3f00180fa2a5c51fe8b005ac7a31cd58bd44cdfa7f36ebc3a9b"