1 files changed, 4 insertions, 0 deletions

diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 5df0c4bd415b..f98658782d4f 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -3865,6 +3865,10 @@ sctp_disposition_t sctp_sf_eat_auth(const struct sctp_endpoint *ep,
         struct sctp_chunk *err_chunk;
         sctp_ierror_t error;
 
+        /* Make sure that the peer has AUTH capable */
+        if (!asoc->peer.auth_capable)
+                return sctp_sf_unk_chunk(ep, asoc, type, arg, commands);
+
         if (!sctp_vtag_verify(chunk, asoc)) {
                 sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
                                 SCTP_NULL());