Messages in this thread | | | Subject | Re: [SECURITY] CERT/CC VU#464113, SYN plus RST/FIN | From | Florian Weimer <> | Date | Fri, 25 Oct 2002 12:16:37 +0200 |
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Alex Riesen <Alexander.Riesen@synopsys.com> writes:
>> --- tcp_input.c 2002/10/25 08:45:20 1.1 >> +++ tcp_input.c 2002/10/25 08:49:21 >> @@ -3668,6 +3668,8 @@ >> case TCP_LISTEN: >> if(th->ack) >> return 1; >> + if(th->rst || th->fin) >> + goto discard; >> >> if(th->syn) { >> if(tp->af_specific->conn_request(sk, skb) < 0) >> > > You mean to place the check below "if(th->syn)", don't you?
No, of course not. :-) That's the whole point of the patch. A SYN is not a SYN if it comes together with a RST. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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