Author: delphij Date: Tue Sep 16 09:48:35 2014 New Revision: 271667 URL: http://svnweb.freebsd.org/changeset/base/271667
Log: Fix Denial of Service in TCP packet processing. Security: FreeBSD-SA-14:19.tcp Approved by: re (implicit, security advisory) Modified: stable/10/sys/netinet/tcp_input.c Modified: stable/10/sys/netinet/tcp_input.c ============================================================================== --- stable/10/sys/netinet/tcp_input.c Tue Sep 16 09:48:24 2014 (r271666) +++ stable/10/sys/netinet/tcp_input.c Tue Sep 16 09:48:35 2014 (r271667) @@ -2176,11 +2176,7 @@ tcp_do_segment(struct mbuf *m, struct tc todrop = tp->rcv_nxt - th->th_seq; if (todrop > 0) { - /* - * If this is a duplicate SYN for our current connection, - * advance over it and pretend and it's not a SYN. - */ - if (thflags & TH_SYN && th->th_seq == tp->irs) { + if (thflags & TH_SYN) { thflags &= ~TH_SYN; th->th_seq++; if (th->th_urp > 1) _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"