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[AutoPR- Security] Patch libxml2 for CVE-2025-7425 [HIGH] #15402

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[AutoPR- Security] Patch libxml2 for CVE-2025-7425 [HIGH] #15402

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95 changes: 95 additions & 0 deletions SPECS/libxml2/CVE-2025-7425.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,95 @@
From 240706018d473566623f9175160a3ef0a8342d28 Mon Sep 17 00:00:00 2001
From: AllSpark <allspark@microsoft.com>
Date: Sat, 27 Dec 2025 06:27:39 +0000
Subject: [PATCH] tree: Guard against atype corruption; remove IDs based on
actual ID value lookup instead of atype checks in xmlFreeProp, xmlSetTreeDoc,
xmlSetNsProp, and before changing atype in validation (backport)

Signed-off-by: Azure Linux Security Servicing Account <azurelinux-security@microsoft.com>
Upstream-reference: AI Backport of https://gitlab.gnome.org/GNOME/libxml2/-/commit/9de92ed78d8495527c5d7a4d0cc76c1f83768195.patch
---
tree.c | 33 ++++++++++++++++++++++++++-------
valid.c | 9 +++++++++
2 files changed, 35 insertions(+), 7 deletions(-)

diff --git a/tree.c b/tree.c
index 7172c46..daf1a05 100644
--- a/tree.c
+++ b/tree.c
@@ -2128,8 +2128,14 @@ xmlFreeProp(xmlAttrPtr cur) {
xmlDeregisterNodeDefaultValue((xmlNodePtr)cur);

/* Check for ID removal -> leading to invalid references ! */
- if ((cur->doc != NULL) && (cur->atype == XML_ATTRIBUTE_ID)) {
- xmlRemoveID(cur->doc, cur);
+ if (cur->doc != NULL) {
+ xmlChar *idval = xmlNodeListGetString(cur->doc, cur->children, 1);
+ if (idval != NULL) {
+ xmlAttrPtr idattr = xmlGetID(cur->doc, idval);
+ xmlFree(idval);
+ if (idattr == cur)
+ xmlRemoveID(cur->doc, cur);
+ }
}
if (cur->children != NULL) xmlFreeNodeList(cur->children);
DICT_FREE(cur->name)
@@ -2877,8 +2883,14 @@ xmlSetTreeDoc(xmlNodePtr tree, xmlDocPtr doc) {
if(tree->type == XML_ELEMENT_NODE) {
prop = tree->properties;
while (prop != NULL) {
- if (prop->atype == XML_ATTRIBUTE_ID) {
- xmlRemoveID(tree->doc, prop);
+ if (tree->doc != NULL) {
+ xmlChar *idval = xmlNodeListGetString(tree->doc, prop->children, 1);
+ if (idval != NULL) {
+ xmlAttrPtr idattr = xmlGetID(tree->doc, idval);
+ xmlFree(idval);
+ if (idattr == prop)
+ xmlRemoveID(tree->doc, prop);
+ }
}

if (prop->doc != doc) {
@@ -7026,9 +7038,16 @@ xmlSetNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name,
/*
* Modify the attribute's value.
*/
- if (prop->atype == XML_ATTRIBUTE_ID) {
- xmlRemoveID(node->doc, prop);
- prop->atype = XML_ATTRIBUTE_ID;
+ if (node->doc != NULL) {
+ xmlChar *idval = xmlNodeListGetString(node->doc, prop->children, 1);
+ if (idval != NULL) {
+ xmlAttrPtr idattr = xmlGetID(node->doc, idval);
+ xmlFree(idval);
+ if (idattr == prop) {
+ xmlRemoveID(node->doc, prop);
+ prop->atype = XML_ATTRIBUTE_ID;
+ }
+ }
}
if (prop->children != NULL)
xmlFreeNodeList(prop->children);
diff --git a/valid.c b/valid.c
index 7eb2dd3..1389ade 100644
--- a/valid.c
+++ b/valid.c
@@ -4492,6 +4492,15 @@ xmlValidateOneAttribute(xmlValidCtxtPtr ctxt, xmlDocPtr doc,
attr->name, elem->name, NULL);
return(0);
}
+ if (doc != NULL) {
+ xmlChar *idval = xmlNodeListGetString(doc, attr->children, 1);
+ if (idval != NULL) {
+ xmlAttrPtr idattr = xmlGetID(doc, idval);
+ xmlFree(idval);
+ if (idattr == attr)
+ xmlRemoveID(doc, attr);
+ }
+ }
attr->atype = attrDecl->atype;

val = xmlValidateAttributeValueInternal(doc, attrDecl->atype, value);
--
2.45.4

6 changes: 5 additions & 1 deletion SPECS/libxml2/libxml2.spec
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
Summary: Libxml2
Name: libxml2
Version: 2.11.5
Release: 7%{?dist}
Release: 8%{?dist}
License: MIT
Vendor: Microsoft Corporation
Distribution: Azure Linux
Expand All @@ -21,6 +21,7 @@ Patch9: CVE-2025-6021.patch
Patch10: CVE-2025-6170.patch
Patch11: CVE-2025-49794_CVE-2025-49796.patch
Patch12: CVE-2025-49795.patch
Patch13: CVE-2025-7425.patch

BuildRequires: python3-devel
BuildRequires: python3-xml
Expand Down Expand Up @@ -92,6 +93,9 @@ find %{buildroot} -type f -name "*.la" -delete -print
%{_libdir}/cmake/libxml2/libxml2-config.cmake

%changelog
* Sat Dec 27 2025 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 2.11.5-8
- Patch for CVE-2025-7425

* Wed Oct 29 2025 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 2.11.5-7
- Patch for CVE-2025-49795

Expand Down
4 changes: 2 additions & 2 deletions toolkit/resources/manifests/package/pkggen_core_aarch64.txt
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Expand Up @@ -203,8 +203,8 @@ curl-8.11.1-4.azl3.aarch64.rpm
curl-devel-8.11.1-4.azl3.aarch64.rpm
curl-libs-8.11.1-4.azl3.aarch64.rpm
createrepo_c-1.0.3-1.azl3.aarch64.rpm
libxml2-2.11.5-7.azl3.aarch64.rpm
libxml2-devel-2.11.5-7.azl3.aarch64.rpm
libxml2-2.11.5-8.azl3.aarch64.rpm
libxml2-devel-2.11.5-8.azl3.aarch64.rpm
docbook-dtd-xml-4.5-11.azl3.noarch.rpm
docbook-style-xsl-1.79.1-14.azl3.noarch.rpm
libsepol-3.6-2.azl3.aarch64.rpm
Expand Down
4 changes: 2 additions & 2 deletions toolkit/resources/manifests/package/pkggen_core_x86_64.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -203,8 +203,8 @@ curl-8.11.1-4.azl3.x86_64.rpm
curl-devel-8.11.1-4.azl3.x86_64.rpm
curl-libs-8.11.1-4.azl3.x86_64.rpm
createrepo_c-1.0.3-1.azl3.x86_64.rpm
libxml2-2.11.5-7.azl3.x86_64.rpm
libxml2-devel-2.11.5-7.azl3.x86_64.rpm
libxml2-2.11.5-8.azl3.x86_64.rpm
libxml2-devel-2.11.5-8.azl3.x86_64.rpm
docbook-dtd-xml-4.5-11.azl3.noarch.rpm
docbook-style-xsl-1.79.1-14.azl3.noarch.rpm
libsepol-3.6-2.azl3.x86_64.rpm
Expand Down
8 changes: 4 additions & 4 deletions toolkit/resources/manifests/package/toolchain_aarch64.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -242,9 +242,9 @@ libtool-debuginfo-2.4.7-1.azl3.aarch64.rpm
libxcrypt-4.4.36-2.azl3.aarch64.rpm
libxcrypt-debuginfo-4.4.36-2.azl3.aarch64.rpm
libxcrypt-devel-4.4.36-2.azl3.aarch64.rpm
libxml2-2.11.5-7.azl3.aarch64.rpm
libxml2-debuginfo-2.11.5-7.azl3.aarch64.rpm
libxml2-devel-2.11.5-7.azl3.aarch64.rpm
libxml2-2.11.5-8.azl3.aarch64.rpm
libxml2-debuginfo-2.11.5-8.azl3.aarch64.rpm
libxml2-devel-2.11.5-8.azl3.aarch64.rpm
libxslt-1.1.43-3.azl3.aarch64.rpm
libxslt-debuginfo-1.1.43-3.azl3.aarch64.rpm
libxslt-devel-1.1.43-3.azl3.aarch64.rpm
Expand Down Expand Up @@ -543,7 +543,7 @@ python3-gpg-1.23.2-2.azl3.aarch64.rpm
python3-jinja2-3.1.2-3.azl3.noarch.rpm
python3-libcap-ng-0.8.4-1.azl3.aarch64.rpm
python3-libs-3.12.9-6.azl3.aarch64.rpm
python3-libxml2-2.11.5-7.azl3.aarch64.rpm
python3-libxml2-2.11.5-8.azl3.aarch64.rpm
python3-lxml-4.9.3-1.azl3.aarch64.rpm
python3-magic-5.45-1.azl3.noarch.rpm
python3-markupsafe-2.1.3-1.azl3.aarch64.rpm
Expand Down
8 changes: 4 additions & 4 deletions toolkit/resources/manifests/package/toolchain_x86_64.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -247,9 +247,9 @@ libtasn1-debuginfo-4.19.0-2.azl3.x86_64.rpm
libtasn1-devel-4.19.0-2.azl3.x86_64.rpm
libtool-2.4.7-1.azl3.x86_64.rpm
libtool-debuginfo-2.4.7-1.azl3.x86_64.rpm
libxml2-2.11.5-7.azl3.x86_64.rpm
libxml2-debuginfo-2.11.5-7.azl3.x86_64.rpm
libxml2-devel-2.11.5-7.azl3.x86_64.rpm
libxml2-2.11.5-8.azl3.x86_64.rpm
libxml2-debuginfo-2.11.5-8.azl3.x86_64.rpm
libxml2-devel-2.11.5-8.azl3.x86_64.rpm
libxcrypt-4.4.36-2.azl3.x86_64.rpm
libxcrypt-debuginfo-4.4.36-2.azl3.x86_64.rpm
libxcrypt-devel-4.4.36-2.azl3.x86_64.rpm
Expand Down Expand Up @@ -551,7 +551,7 @@ python3-gpg-1.23.2-2.azl3.x86_64.rpm
python3-jinja2-3.1.2-3.azl3.noarch.rpm
python3-libcap-ng-0.8.4-1.azl3.x86_64.rpm
python3-libs-3.12.9-6.azl3.x86_64.rpm
python3-libxml2-2.11.5-7.azl3.x86_64.rpm
python3-libxml2-2.11.5-8.azl3.x86_64.rpm
python3-lxml-4.9.3-1.azl3.x86_64.rpm
python3-magic-5.45-1.azl3.noarch.rpm
python3-markupsafe-2.1.3-1.azl3.x86_64.rpm
Expand Down
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