diff options
| author | Sridhar Samudrala <sri@us.ibm.com> | 2006-05-05 17:05:23 -0700 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2006-05-09 12:53:20 -0700 |
| commit | cb19baa0bb7a4064e6d0c99e8f479673120a9f28 (patch) | |
| tree | 79aaae18712ec0273256e8f726b1b8f1e422b435 | |
| parent | 40885c13b394cd1b74acc196f1d7990a3e0a484d (diff) | |
[PATCH] SCTP: Fix state table entries for chunks received in CLOSED state. (CVE-2006-2271)
Discard an unexpected chunk in CLOSED state rather can calling BUG().
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
| -rw-r--r-- | net/sctp/sm_statetable.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c index 75ef10408764..8bcca5676151 100644 --- a/net/sctp/sm_statetable.c +++ b/net/sctp/sm_statetable.c @@ -366,9 +366,9 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \ /* SCTP_STATE_CLOSED */ \ - {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ + {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ - {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ + {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_COOKIE_ECHOED */ \ {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \ /* SCTP_STATE_ESTABLISHED */ \ @@ -380,7 +380,7 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ - {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ + {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_ECN_ECNE */ #define TYPE_SCTP_ECN_CWR { \ @@ -401,7 +401,7 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \ - {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ + {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \ } /* TYPE_SCTP_ECN_CWR */ #define TYPE_SCTP_SHUTDOWN_COMPLETE { \ @@ -647,7 +647,7 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { /* SCTP_STATE_EMPTY */ \ {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ /* SCTP_STATE_CLOSED */ \ - {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \ + {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \ /* SCTP_STATE_COOKIE_WAIT */ \ {.fn = sctp_sf_do_prm_requestheartbeat, \ .name = "sctp_sf_do_prm_requestheartbeat"}, \ |