svn commit: r265122 - in stable/10: crypto/openssl/ssl etc/defaults sys/netinet sys/sys

[Xin LI]

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,