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-rw-r--r--meta/recipes-core/libxml/libxml2/CVE-2023-45322-1.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/meta/recipes-core/libxml/libxml2/CVE-2023-45322-1.patch b/meta/recipes-core/libxml/libxml2/CVE-2023-45322-1.patch
new file mode 100644
index 0000000000..182bb29abd
--- /dev/null
+++ b/meta/recipes-core/libxml/libxml2/CVE-2023-45322-1.patch
@@ -0,0 +1,50 @@
+From a22bd982bf10291deea8ba0c61bf75b898c604ce Mon Sep 17 00:00:00 2001
+From: Nick Wellnhofer <wellnhofer@aevum.de>
+Date: Wed, 2 Nov 2022 15:44:42 +0100
+Subject: [PATCH] malloc-fail: Fix memory leak in xmlStaticCopyNodeList
+
+Found with libFuzzer, see #344.
+
+Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxml2/-/commit/a22bd982bf10291deea8ba0c61bf75b898c604ce]
+
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+Signed-off-by: Vijay Anusuri <vanusuri@mvista.com>
+---
+ tree.c | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/tree.c b/tree.c
+index 507869efe..647288ce3 100644
+--- a/tree.c
++++ b/tree.c
+@@ -4461,7 +4461,7 @@ xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent) {
+ }
+ if (doc->intSubset == NULL) {
+ q = (xmlNodePtr) xmlCopyDtd( (xmlDtdPtr) node );
+- if (q == NULL) return(NULL);
++ if (q == NULL) goto error;
+ q->doc = doc;
+ q->parent = parent;
+ doc->intSubset = (xmlDtdPtr) q;
+@@ -4473,7 +4473,7 @@ xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent) {
+ } else
+ #endif /* LIBXML_TREE_ENABLED */
+ q = xmlStaticCopyNode(node, doc, parent, 1);
+- if (q == NULL) return(NULL);
++ if (q == NULL) goto error;
+ if (ret == NULL) {
+ q->prev = NULL;
+ ret = p = q;
+@@ -4486,6 +4486,9 @@ xmlStaticCopyNodeList(xmlNodePtr node, xmlDocPtr doc, xmlNodePtr parent) {
+ node = node->next;
+ }
+ return(ret);
++error:
++ xmlFreeNodeList(ret);
++ return(NULL);
+ }
+
+ /**
+--
+GitLab
+