From: Vijay Anusuri <[email protected]> Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxml2/-/commit/5a19e21605398cef6a8b1452477a8705cb41562b]
Reference: https://access.redhat.com/security/cve/cve-2022-49043 Signed-off-by: Vijay Anusuri <[email protected]> Signed-off-by: Steve Sakoman <[email protected]> --- .../libxml/libxml2/CVE-2022-49043.patch | 38 +++++++++++++++++++ meta/recipes-core/libxml/libxml2_2.9.14.bb | 1 + 2 files changed, 39 insertions(+) create mode 100644 meta/recipes-core/libxml/libxml2/CVE-2022-49043.patch diff --git a/meta/recipes-core/libxml/libxml2/CVE-2022-49043.patch b/meta/recipes-core/libxml/libxml2/CVE-2022-49043.patch new file mode 100644 index 0000000000..25c7bc847c --- /dev/null +++ b/meta/recipes-core/libxml/libxml2/CVE-2022-49043.patch @@ -0,0 +1,38 @@ +From 5a19e21605398cef6a8b1452477a8705cb41562b Mon Sep 17 00:00:00 2001 +From: Nick Wellnhofer <[email protected]> +Date: Wed, 2 Nov 2022 16:13:27 +0100 +Subject: [PATCH] malloc-fail: Fix use-after-free in xmlXIncludeAddNode + +Found with libFuzzer, see #344. + +Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxml2/-/commit/5a19e21605398cef6a8b1452477a8705cb41562b] +CVE: CVE-2022-49043 +Signed-off-by: Vijay Anusuri <[email protected]> +--- + xinclude.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/xinclude.c b/xinclude.c +index e5fdf0f..36fa8ec 100644 +--- a/xinclude.c ++++ b/xinclude.c +@@ -612,14 +612,15 @@ xmlXIncludeAddNode(xmlXIncludeCtxtPtr ctxt, xmlNodePtr cur) { + } + URL = xmlSaveUri(uri); + xmlFreeURI(uri); +- xmlFree(URI); + if (URL == NULL) { + xmlXIncludeErr(ctxt, cur, XML_XINCLUDE_HREF_URI, + "invalid value URI %s\n", URI); + if (fragment != NULL) + xmlFree(fragment); ++ xmlFree(URI); + return(-1); + } ++ xmlFree(URI); + + if (xmlStrEqual(URL, ctxt->doc->URL)) + local = 1; +-- +2.25.1 + diff --git a/meta/recipes-core/libxml/libxml2_2.9.14.bb b/meta/recipes-core/libxml/libxml2_2.9.14.bb index 94b3b510ae..ecaae0b436 100644 --- a/meta/recipes-core/libxml/libxml2_2.9.14.bb +++ b/meta/recipes-core/libxml/libxml2_2.9.14.bb @@ -33,6 +33,7 @@ SRC_URI += "http://www.w3.org/XML/Test/xmlts20080827.tar;subdir=${BP};name=testt file://CVE-2023-45322-2.patch \ file://CVE-2024-25062.patch \ file://CVE-2024-34459.patch \ + file://CVE-2022-49043.patch \ " SRC_URI[archive.sha256sum] = "60d74a257d1ccec0475e749cba2f21559e48139efba6ff28224357c7c798dfee" -- 2.43.0
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