kernel security update

[2.6.18-194.17.4.0.1.el5]

• [xen] check to see if hypervisor supports memory reservation change
  (Chuck Anderson) [orabug 7556514]
• Add entropy support to igb (John Sobecki) [orabug 7607479]
• [nfs] convert ENETUNREACH to ENOTCONN [orabug 7689332]
• [NET] Add xen pv/bonding netconsole support (Tina Yang) [orabug 6993043]
  [bz 7258]
• [mm] shrink_zone patch (John Sobecki,Chris Mason) [orabug 6086839]
• fix aacraid not to reset during kexec (Joe Jin) [orabug 8516042]
• [nfsd] fix failure of file creation from hpux client (Wen gang Wang)
  [orabug 7579314]
• [qla] fix qla not to query hccr (Guru Anbalagane) [Orabug 8746702]
• [net] bonding: fix xen+bonding+netconsole panic issue (Joe Jin)
  [orabug 9504524]
• [rds] Patch rds to 1.4.2-14 (Andy Grover) [orabug 9471572, 9344105]
  RDS: Fix BUG_ONs to not fire when in a tasklet
  ipoib: Fix lockup of the tx queue
  RDS: Do not call set_page_dirty() with irqs off (Sherman Pun)
  RDS: Properly unmap when getting a remote access error (Tina Yang)
  RDS: Fix locking in rds_send_drop_to()
• [mm] Enhance shrink_zone patch allow full swap utilization, and also be
  NUMA-aware (John Sobecki, Chris Mason, Herbert van den Bergh)
  [orabug 9245919]
• [xen] PVHVM guest with PoD crashes under memory pressure (Chuck Anderson)
  [orabug 9107465]
• [xen] PV guest with FC HBA hangs during shutdown (Chuck Anderson)
  [orabug 9764220]
• Support 256GB+ memory for pv guest (Mukesh Rathor) [orabug 9450615]
• fix overcommit memory to use percpu_counter for el5 (KOSAKI Motohiro,
  Guru Anbalagane) [orabug 6124033]
• [ipmi] make configurable timeouts for kcs of ipmi [orabug 9752208]
• [ib] fix memory corruption (Andy Grover) [orabug 9972346]
  [2.6.18-194.17.4.el5]
• [net] rds: fix local privilege escalation (Eugene Teo) [642897 642898] {CVE-2010-3904}