kernel security and bug fix update

kernel
[2.6.18-348.16.1]

• [x86_64] Fix kdump failure due to ‘x86_64: Early segment setup’ (Paolo Bonzini) [988251 987244]
• [xen] skip tracing if it was disabled instead of dying (Igor Mammedov) [987976 967053]
• [ia64] fix KABI breakage on ia64 (Prarit Bhargava) [966878 960783]
• [x86] fpu: fix CONFIG_PREEMPT=y corruption of FPU stack (Prarit Bhargava) [948187 731531]
• [i386] add sleazy FPU optimization (Prarit Bhargava) [948187 731531]
• [x86-64] non lazy ‘sleazy’ fpu implementation (Prarit Bhargava) [948187 731531]
  [2.6.18-348.15.1]
• [fs] nfs: flush cached dir information slightly more readily (Scott Mayhew) [976441 853145]
• [fs] nfs: Fix resolution prob with cache_change_attribute (Scott Mayhew) [976441 853145]
• [fs] nfs: define function to update nfsi->cache_change_attribute (Scott Mayhew) [976441 853145]
• [net] af_key: fix info leaks in notify messages (Jiri Benc) [980999 981000] {CVE-2013-2234}
• [net] af_key: initialize satype in key_notify_policy_flush() (Jiri Benc) [981222 981224] {CVE-2013-2237}
• [net] ipv6: ip6_sk_dst_check() must not assume ipv6 dst (Jiri Pirko) [981556 981557] {CVE-2013-2232}
• [net] fix invalid free in ip_cmsg_send() callers (Petr Matousek) [980141 980142] {CVE-2013-2224}
• [x86_64] Early segment setup for VT (Paolo Bonzini) [979920 978305]
• [block] cpqarray: info leak in ida_locked_ioctl() (Tomas Henzl) [971245 971246] {CVE-2013-2147}
• [block] cdrom: use kzalloc() for failing hardware (Frantisek Hrbata) [973103 973104] {CVE-2013-2164}
• [mm] Break out when there is nothing more to write for the fs. (Larry Woodman) [972583 965359]
  [2.6.18-348.14.1]
• [net] Fix panic for vlan over gre via tun (Thomas Graf) [983452 981337]
• [x86] mm: introduce proper mem barriers smp_invalidate_interrupt (Rafael Aquini) [983628 865095]
  [2.6.18-348.13.1]
• [net] sctp: Disallow new connection on a closing socket (Daniel Borkmann) [976569 974936] {CVE-2013-2206}
• [net] sctp: Use correct sideffect command in dup cookie handling (Daniel Borkmann) [976569 974936] {CVE-2013-2206}
• [net] sctp: deal with multiple COOKIE_ECHO chunks (Daniel Borkmann) [976569 974936] {CVE-2013-2206}
• [net] tcp: bind() use stronger condition for bind_conflict (Flavio Leitner) [980811 957604]