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| author | jeff <jhatch@multitech.com> | 2023-01-24 09:37:57 -0600 |
|---|---|---|
| committer | jeff <jhatch@multitech.com> | 2023-01-24 09:37:57 -0600 |
| commit | c94c9986362ebf4084734a3963415c5d894cf3a6 (patch) | |
| tree | 1f5d79df115e23318d93bfc9e99dddecf9be8748 /recipes-core/libxml/libxml2/CVE-2019-20388.patch | |
| parent | 8400520cffdd3c133c684eac60ab438a7ecaa050 (diff) | |
| parent | 2eaa3fd064097eb221b56d5df0e7136ba705a0cd (diff) | |
| download | meta-mlinux-c94c9986362ebf4084734a3963415c5d894cf3a6.tar.gz meta-mlinux-c94c9986362ebf4084734a3963415c5d894cf3a6.tar.bz2 meta-mlinux-c94c9986362ebf4084734a3963415c5d894cf3a6.zip | |
Merge branch 'md/cve-fixes2-squashed' into 6
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 + |