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| author | Mykola Salomatin <mykola.salomatin@globallogic.com> | 2023-01-26 19:30:38 +0200 |
|---|---|---|
| committer | Mykola Salomatin <mykola.salomatin@globallogic.com> | 2023-01-26 19:30:38 +0200 |
| commit | 8b2c5033c01df17ce1bed9489570a5e56e3be862 (patch) | |
| tree | 8a7abda338d1c144e904cd54e6ab99322119969e /recipes-core/libxml/libxml2/CVE-2019-20388.patch | |
| parent | e77d906d6f9d0da38ab5faff8b2a11a4383650de (diff) | |
| parent | 755c00a4dfc34c95640e832ca8cafb71a7d356aa (diff) | |
| download | meta-mlinux-8b2c5033c01df17ce1bed9489570a5e56e3be862.tar.gz meta-mlinux-8b2c5033c01df17ce1bed9489570a5e56e3be862.tar.bz2 meta-mlinux-8b2c5033c01df17ce1bed9489570a5e56e3be862.zip | |
Merge branch '6' into mpower-dev-l6g1
Diffstat (limited to 'recipes-core/libxml/libxml2/CVE-2019-20388.patch')
| -rw-r--r-- | recipes-core/libxml/libxml2/CVE-2019-20388.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/recipes-core/libxml/libxml2/CVE-2019-20388.patch b/recipes-core/libxml/libxml2/CVE-2019-20388.patch new file mode 100644 index 0000000..88eb65a --- /dev/null +++ b/recipes-core/libxml/libxml2/CVE-2019-20388.patch @@ -0,0 +1,37 @@ +From 7ffcd44d7e6c46704f8af0321d9314cd26e0e18a Mon Sep 17 00:00:00 2001 +From: Zhipeng Xie <xiezhipeng1@huawei.com> +Date: Tue, 20 Aug 2019 16:33:06 +0800 +Subject: [PATCH] Fix memory leak in xmlSchemaValidateStream + +When ctxt->schema is NULL, xmlSchemaSAXPlug->xmlSchemaPreRun +alloc a new schema for ctxt->schema and set vctxt->xsiAssemble +to 1. Then xmlSchemaVStart->xmlSchemaPreRun initialize +vctxt->xsiAssemble to 0 again which cause the alloced schema +can not be freed anymore. + +Found with libFuzzer. + +Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxml2/commit/7ffcd44d7e6c46704f8af0321d9314cd26e0e18a] +CVE: CVE-2019-20388 + +Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com> +Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com> +--- + xmlschemas.c | 1 - + 1 file changed, 1 deletion(-) + +diff --git a/xmlschemas.c b/xmlschemas.c +index 301c8449..39d92182 100644 +--- a/xmlschemas.c ++++ b/xmlschemas.c +@@ -28090,7 +28090,6 @@ xmlSchemaPreRun(xmlSchemaValidCtxtPtr vctxt) { + vctxt->nberrors = 0; + vctxt->depth = -1; + vctxt->skipDepth = -1; +- vctxt->xsiAssemble = 0; + vctxt->hasKeyrefs = 0; + #ifdef ENABLE_IDC_NODE_TABLES_TEST + vctxt->createIDCNodeTables = 1; +-- +2.24.1 + |