1 files changed, 28 insertions, 0 deletions

diff --git a/meta/recipes-core/glibc/glibc/CVE-2016-5417.patch b/meta/recipes-core/glibc/glibc/CVE-2016-5417.patch
new file mode 100644
index 0000000000..8e0252beb4
--- /dev/null
+++ b/meta/recipes-core/glibc/glibc/CVE-2016-5417.patch
@@ -0,0 +1,28 @@
+glibc-2.23: Fix CVE-2016-5417
+
+[No upstream tracking] -- https://bugzilla.redhat.com/show_bug.cgi?id=1362534
+
+resolv/res_init.c:Fix resource leak in resolver
+
+The number of currently defined nameservers is stored in ->nscount,
+whereas ->_u._ext.nscount is set by __libc_res_nsend only after local
+initializations.
+
+Upstream-Status: Backport
+CVE: CVE-2016-5417
+Signed-off-by: Andrej Valek <andrej.valek@siemens.com>
+Signed-off-by: Pascal Bach <pascal.bach@siemens.com>
+
+diff --git a/resolv/res_init.c b/resolv/res_init.c
+index e0b6a80..6c951f5 100644
+--- a/resolv/res_init.c
++++ b/resolv/res_init.c
+@@ -594,7 +594,7 @@ __res_iclose(res_state statp, bool free_addr) {
+                statp->_vcsock = -1;
+                statp->_flags &= ~(RES_F_VC | RES_F_CONN);
+        }
+-       for (ns = 0; ns < statp->_u._ext.nscount; ns++)
++       for (ns = 0; ns < statp->nscount; ns++)
+                if (statp->_u._ext.nsaddrs[ns]) {
+                        if (statp->_u._ext.nssocks[ns] != -1) {
+                                close_not_cancel_no_status(statp->_u._ext.nssocks[ns]);