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[AutoPR- Security] Patch gnutls for CVE-2025-9820 [MEDIUM] #15589

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[AutoPR- Security] Patch gnutls for CVE-2025-9820 [MEDIUM] #15589

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45 changes: 45 additions & 0 deletions SPECS/gnutls/CVE-2025-9820.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,45 @@
From 76fa80cc7cffcf3fdeb82c7dcdf426533a9efd08 Mon Sep 17 00:00:00 2001
From: AllSpark <[email protected]>
Date: Tue, 27 Jan 2026 16:57:26 +0000
Subject: [PATCH] pkcs11: avoid stack overwrite when initializing a token; add
label length note; use MIN guard; include minmax.h

Signed-off-by: Azure Linux Security Servicing Account <[email protected]>
Upstream-reference: AI Backport of https://gitlab.com/gnutls/gnutls/-/commit/1d56f96f6ab5034d677136b9d50b5a75dff0faf5.patch
---
lib/pkcs11_write.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/pkcs11_write.c b/lib/pkcs11_write.c
index 3ce794b..5685411 100644
--- a/lib/pkcs11_write.c
+++ b/lib/pkcs11_write.c
@@ -28,6 +28,7 @@
#include "pkcs11x.h"
#include <x509/common.h>
#include "pk.h"
+#include "minmax.h"

static const ck_bool_t tval = 1;
static const ck_bool_t fval = 0;
@@ -1199,7 +1200,7 @@ int gnutls_pkcs11_delete_url(const char *object_url, unsigned int flags)
* gnutls_pkcs11_token_init:
* @token_url: A PKCS #11 URL specifying a token
* @so_pin: Security Officer's PIN
- * @label: A name to be used for the token
+ * @label: A name to be used for the token, at most 32 characters
*
* This function will initialize (format) a token. If the token is
* at a factory defaults state the security officer's PIN given will be
@@ -1238,7 +1239,7 @@ gnutls_pkcs11_token_init(const char *token_url,
/* so it seems memset has other uses than zeroing! */
memset(flabel, ' ', sizeof(flabel));
if (label != NULL)
- memcpy(flabel, label, strlen(label));
+ memcpy(flabel, label, MIN(sizeof(flabel), strlen(label)));

rv = pkcs11_init_token(module, slot, (uint8_t *) so_pin,
strlen(so_pin), (uint8_t *) flabel);
--
2.45.4

6 changes: 5 additions & 1 deletion SPECS/gnutls/gnutls.spec
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
Summary: The GnuTLS Transport Layer Security Library
Name: gnutls
Version: 3.7.11
Release: 5%{?dist}
Release: 6%{?dist}
License: GPLv3+ AND LGPLv2.1+
Vendor: Microsoft Corporation
Distribution: Mariner
Expand All @@ -15,6 +15,7 @@ Patch3: CVE-2025-32989.patch
Patch4: CVE-2025-32988.patch
Patch5: CVE-2025-32990.patch
Patch6: CVE-2025-13151.patch
Patch7: CVE-2025-9820.patch
BuildRequires: autogen-libopts-devel
BuildRequires: gc-devel
BuildRequires: guile-devel
Expand Down Expand Up @@ -101,6 +102,9 @@ sed -i 's/TESTS += test-ciphers-openssl.sh//' tests/slow/Makefile.am
%{_mandir}/man3/*

%changelog
* Tue Jan 27 2026 Azure Linux Security Servicing Account <[email protected]> - 3.7.11-6
- Patch for CVE-2025-9820

* Mon Jan 12 2026 Azure Linux Security Servicing Account <[email protected]> - 3.7.11-5
- Patch for CVE-2025-13151

Expand Down
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