kernel security and bug fix update

[2.6.18-53.1.19.0.1.el5]

• [NET] Add entropy support to e1000 and bnx2 (John Sobecki) [ORA 6045759]
• [NET] Fix msi issue with kexec/kdump (Michael Chan) [ORA 6219364]
• [MM] Fix alloc_pages_node() static nid’ race made kernel crash (Joe Jin) [ORA 6187457]
• [splice] Fix bad unlock_page() in error case (Jens Axboe) [ORA 6263574]
• [dio] fix error-path crashes (Linux Torvalds) [ORA 6242289]
  [2.6.18-53.1.19.el5]
• [xen] check num of segments in block backend driver (Bill Burns ) [378281]
• [x86_64] update IO-APIC dest field to 8-bit for xAPIC (Dave Anderson ) [442922]
• Update: [fs] fix race condition in dnotify (Alexander Viro ) [439758] {CVE-2008-1375}
• Update: [xen] ia64: ftp stress test fixes between HVM/Dom0 (Tetsu Yamamoto ) [427400] {CVE-2008-1619}
  [2.6.18-53.1.18.el5]
• Update: [fs] fix race condition in dnotify (Alexander Viro ) [439758] {CVE-2008-1375}
  [2.6.18-53.1.17.el5]
• [fs] fix race condition in dnotify (Alexander Viro ) [439758] {CVE-2008-1375}
• [pci] hotplug: PCI Express problems with bad DLLPs (Kei Tokunaga ) [440438]
• [nfs] stop sillyrenames and unmounts from racing (Steve Dickson ) [440447]
• [x86] clear df flag for signal handlers (Jason Baron ) [437316] {CVE-2008-1367}
• [xen] ia64: ftp stress test fixes between HVM/Dom0 (Tetsu Yamamoto ) [427400] {CVE-2008-1619}
• [xen] ia64: fix ssm_i emulation barrier and vdso pv (Tetsu Yamamoto ) [427400] {CVE-2008-1619}
  [2.6.18-53.1.16.el5]
• [misc] fix range check in fault handlers with mremap (Vitaly Mayatskikh ) [428970]
• [video] neofb: avoid overwriting fb_info fields (Anton Arapov ) [430253]
  [2.6.18-53.1.15.el5]
• [libata] sata_nv: un-blacklist hitachi drives (David Milburn ) [433617]
• [libata] sata_nv: may send cmds with duplicate tags (David Milburn ) [433617]
• [s390] qdio: output queue stall on FCP and net devs (Hans-Joachim Picht ) [412071]
• [xen] ia64: guest has bad network performance (Tetsu Yamamoto ) [433616]