1 files changed, 34 insertions, 0 deletions
diff --git a/patches/glibc-2.23/0001-CVE-2016-3075-Stack-overflow-in-_nss_dns_getnetbynam.patch b/patches/glibc-2.23/0001-CVE-2016-3075-Stack-overflow-in-_nss_dns_getnetbynam.patch
new file mode 100644
index 0000000..0d5f50b
--- /dev/null
+++ b/patches/glibc-2.23/0001-CVE-2016-3075-Stack-overflow-in-_nss_dns_getnetbynam.patch
@@ -0,0 +1,34 @@
+From: Florian Weimer <fweimer@redhat.com>
+Date: Tue, 29 Mar 2016 12:57:56 +0200
+Subject: [PATCH] CVE-2016-3075: Stack overflow in _nss_dns_getnetbyname_r [BZ
+ #19879]
+
+The defensive copy is not needed because the name may not alias the
+output buffer.
+---
+ resolv/nss_dns/dns-network.c | 5 +----
+ 1 file changed, 1 insertion(+), 4 deletions(-)
+
+diff --git a/resolv/nss_dns/dns-network.c b/resolv/nss_dns/dns-network.c
+index 2eb2f67e66a8..8f301a706b30 100644
+--- a/resolv/nss_dns/dns-network.c
++++ b/resolv/nss_dns/dns-network.c
+@@ -118,17 +118,14 @@ _nss_dns_getnetbyname_r (const char *name, struct netent *result,
+   } net_buffer;
+   querybuf *orig_net_buffer;
+   int anslen;
+-  char *qbuf;
+   enum nss_status status;
+ 
+   if (__res_maybe_init (&_res, 0) == -1)
+     return NSS_STATUS_UNAVAIL;
+ 
+-  qbuf = strdupa (name);
+-
+   net_buffer.buf = orig_net_buffer = (querybuf *) alloca (1024);
+ 
+-  anslen = __libc_res_nsearch (&_res, qbuf, C_IN, T_PTR, net_buffer.buf->buf,
++  anslen = __libc_res_nsearch (&_res, name, C_IN, T_PTR, net_buffer.buf->buf,
+ 			       1024, &net_buffer.ptr, NULL, NULL, NULL, NULL);
+   if (anslen < 0)
+     {