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-rw-r--r--net/netfilter/xt_sctp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/xt_sctp.c b/net/netfilter/xt_sctp.c
index b5110e5..9316c75 100644
--- a/net/netfilter/xt_sctp.c
+++ b/net/netfilter/xt_sctp.c
@@ -62,7 +62,7 @@ match_packet(const struct sk_buff *skb,
do {
sch = skb_header_pointer(skb, offset, sizeof(_sch), &_sch);
- if (sch == NULL) {
+ if (sch == NULL || sch->length == 0) {
duprintf("Dropping invalid SCTP packet.\n");
*hotdrop = 1;
return 0;
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