Author: delphij
Date: Wed Apr 30 04:03:05 2014
New Revision: 265122
URL: http://svnweb.freebsd.org/changeset/base/265122

Log:
  Fix devfs rules not applied by default for jails.
  
  Fix OpenSSL use-after-free vulnerability.
  
  Fix TCP reassembly vulnerability.
  
  Security:     FreeBSD-SA-14:07.devfs
  Security:     CVE-2014-3001
  Security:     FreeBSD-SA-14:08.tcp
  Security:     CVE-2014-3000
  Security:     FreeBSD-SA-14:09.openssl
  Security:     CVE-2010-5298

Modified:
  stable/10/crypto/openssl/ssl/s3_pkt.c
  stable/10/etc/defaults/rc.conf
  stable/10/sys/netinet/tcp_reass.c
  stable/10/sys/sys/param.h

Modified: stable/10/crypto/openssl/ssl/s3_pkt.c
==============================================================================
--- stable/10/crypto/openssl/ssl/s3_pkt.c       Wed Apr 30 04:02:57 2014        
(r265121)
+++ stable/10/crypto/openssl/ssl/s3_pkt.c       Wed Apr 30 04:03:05 2014        
(r265122)
@@ -1055,7 +1055,7 @@ start:
                                {
                                s->rstate=SSL_ST_READ_HEADER;
                                rr->off=0;
-                               if (s->mode & SSL_MODE_RELEASE_BUFFERS)
+                               if (s->mode & SSL_MODE_RELEASE_BUFFERS && 
s->s3->rbuf.left == 0)
                                        ssl3_release_read_buffer(s);
                                }
                        }

Modified: stable/10/etc/defaults/rc.conf
==============================================================================
--- stable/10/etc/defaults/rc.conf      Wed Apr 30 04:02:57 2014        
(r265121)
+++ stable/10/etc/defaults/rc.conf      Wed Apr 30 04:03:05 2014        
(r265122)
@@ -649,7 +649,7 @@ devfs_rulesets="/etc/defaults/devfs.rule
 devfs_system_ruleset=""        # The name (NOT number) of a ruleset to apply 
to /dev
 devfs_set_rulesets=""  # A list of /mount/dev=ruleset_name settings to
                        # apply (must be mounted already, i.e. fstab(5))
-devfs_load_rulesets="NO"       # Enable to always load the default rulesets
+devfs_load_rulesets="YES"      # Enable to always load the default rulesets
 performance_cx_lowest="HIGH"   # Online CPU idle state
 performance_cpu_freq="NONE"    # Online CPU frequency
 economy_cx_lowest="HIGH"       # Offline CPU idle state

Modified: stable/10/sys/netinet/tcp_reass.c
==============================================================================
--- stable/10/sys/netinet/tcp_reass.c   Wed Apr 30 04:02:57 2014        
(r265121)
+++ stable/10/sys/netinet/tcp_reass.c   Wed Apr 30 04:03:05 2014        
(r265122)
@@ -205,7 +205,7 @@ tcp_reass(struct tcpcb *tp, struct tcphd
         * Investigate why and re-evaluate the below limit after the behaviour
         * is understood.
         */
-       if (th->th_seq != tp->rcv_nxt &&
+       if ((th->th_seq != tp->rcv_nxt || !TCPS_HAVEESTABLISHED(tp->t_state)) &&
            tp->t_segqlen >= (so->so_rcv.sb_hiwat / tp->t_maxseg) + 1) {
                V_tcp_reass_overflows++;
                TCPSTAT_INC(tcps_rcvmemdrop);
@@ -228,7 +228,7 @@ tcp_reass(struct tcpcb *tp, struct tcphd
         */
        te = uma_zalloc(V_tcp_reass_zone, M_NOWAIT);
        if (te == NULL) {
-               if (th->th_seq != tp->rcv_nxt) {
+               if (th->th_seq != tp->rcv_nxt || 
!TCPS_HAVEESTABLISHED(tp->t_state)) {
                        TCPSTAT_INC(tcps_rcvmemdrop);
                        m_freem(m);
                        *tlenp = 0;
@@ -276,7 +276,8 @@ tcp_reass(struct tcpcb *tp, struct tcphd
                                TCPSTAT_INC(tcps_rcvduppack);
                                TCPSTAT_ADD(tcps_rcvdupbyte, *tlenp);
                                m_freem(m);
-                               uma_zfree(V_tcp_reass_zone, te);
+                               if (te != &tqs)
+                                       uma_zfree(V_tcp_reass_zone, te);
                                tp->t_segqlen--;
                                /*
                                 * Try to present any queued data

Modified: stable/10/sys/sys/param.h
==============================================================================
--- stable/10/sys/sys/param.h   Wed Apr 30 04:02:57 2014        (r265121)
+++ stable/10/sys/sys/param.h   Wed Apr 30 04:03:05 2014        (r265122)
@@ -58,7 +58,7 @@
  *             in the range 5 to 9.
  */
 #undef __FreeBSD_version
-#define __FreeBSD_version 1000707      /* Master, propagated to newvers */
+#define __FreeBSD_version 1000708      /* Master, propagated to newvers */
 
 /*
  * __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,
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