kernel security and bug fix update

[2.6.18-128.4.1.0.1.el5]

• [NET] Add entropy support to e1000 and bnx2 (John Sobecki,Guru Anbalagane) [orabug 6045759]
• [MM] shrink zone patch (John Sobecki,Chris Mason) [orabug 6086839]
• [NET] Add xen pv/bonding netconsole support (Tina yang) [orabug 6993043] [bz 7258]
• [nfs] convert ENETUNREACH to ENOTCONN (Guru Anbalagane) [orabug 7689332]
• [xen] check to see if hypervisor supports memory reservation change (Chuck Anderson) [orabug 7556514]
• [MM] balloon code needs to adjust totalhigh_pages (Chuck Anderson) [orabug 8300888]
• [NET] Add entropy support to igb ( John Sobecki) [orabug 7607479]
• [XEN] use hypercall to fixmap pte updates (Mukesh Rathor) [orabug 8433329]
• [XEN] Extend physical mask to 40bit for machine above 64G [orabug 8312526]
  [2.6.18-128.4.1.el5]
• [fs] ecryptfs: check tag 11 packet literal data buffer size (Eric Sandeen ) [512862 512863] {CVE-2009-2406}
• [fs] ecryptfs: check tag 3 packet encrypted key size (Eric Sandeen ) [512886 512887] {CVE-2009-2407}
• [misc] personality handling: fix PER_CLEAR_ON_SETID (Vitaly Mayatskikh ) [511173 508842] {CVE-2009-1895}
• [xen] HV: remove high latency spin_lock (Chris Lalancette ) [512311 459410]
  [2.6.18-128.3.1.el5]
• [pci] quirk: disable MSI on VIA VT3364 chipsets (Dean Nelson ) [507529 501374]
• [char] tty: prevent an O_NDELAY writer from blocking (Mauro Carvalho Chehab ) [510239 506806]
• [misc] hrtimer: fix a soft lockup (Amerigo Wang ) [418061 418071] {CVE-2007-5966}
• [misc] hrtimer: check relative timeouts for overflow (AMEET M. PARANJAPE ) [510018 492230]