1 files changed, 50 insertions, 0 deletions
diff --git a/meta-networking/recipes-connectivity/samba/samba/CVE-2022-3437-0003.patch b/meta-networking/recipes-connectivity/samba/samba/CVE-2022-3437-0003.patch
new file mode 100644
index 0000000000..55239356e4
--- /dev/null
+++ b/meta-networking/recipes-connectivity/samba/samba/CVE-2022-3437-0003.patch
@@ -0,0 +1,50 @@
+From a587a4bcb28d5b9047f332573b1e7c8f89ca3edd Mon Sep 17 00:00:00 2001
+From: Joseph Sutton <josephsutton@catalyst.net.nz>
+Date: Wed, 12 Oct 2022 13:57:42 +1300
+Subject: [PATCH] gsskrb5: CVE-2022-3437 Don't pass NULL pointers to memcpy()
+ in DES unwrap
+
+Samba BUG: https://bugzilla.samba.org/show_bug.cgi?id=15134
+
+Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
+Reviewed-by: Andrew Bartlett <abartlet@samba.org>
+
+Upstream-Status: Backport [https://github.com/heimdal/heimdal/commit/a587a4bcb28d5b9047f332573b1e7c8f89ca3edd]
+CVE: CVE-2022-3437
+
+Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
+---
+ lib/gssapi/krb5/unwrap.c | 14 ++++++++------
+ 1 file changed, 8 insertions(+), 6 deletions(-)
+
+diff --git a/lib/gssapi/krb5/unwrap.c b/lib/gssapi/krb5/unwrap.c
+index 61a341ee43..d3987240dd 100644
+--- a/lib/gssapi/krb5/unwrap.c
++++ b/lib/gssapi/krb5/unwrap.c
+@@ -180,9 +180,10 @@ unwrap_des
+   output_message_buffer->value  = malloc(output_message_buffer->length);
+   if(output_message_buffer->length != 0 && output_message_buffer->value == NULL)
+       return GSS_S_FAILURE;
+-  memcpy (output_message_buffer->value,
+-	  p + 24,
+-	  output_message_buffer->length);
++  if (output_message_buffer->value != NULL)
++      memcpy (output_message_buffer->value,
++	      p + 24,
++	      output_message_buffer->length);
+   return GSS_S_COMPLETE;
+ }
+ #endif
+@@ -374,9 +375,10 @@ unwrap_des3
+   output_message_buffer->value  = malloc(output_message_buffer->length);
+   if(output_message_buffer->length != 0 && output_message_buffer->value == NULL)
+       return GSS_S_FAILURE;
+-  memcpy (output_message_buffer->value,
+-	  p + 36,
+-	  output_message_buffer->length);
++  if (output_message_buffer->value != NULL)
++      memcpy (output_message_buffer->value,
++	      p + 36,
++	      output_message_buffer->length);
+   return GSS_S_COMPLETE;
+ }