kernel security and bug fix update

[2.6.18-92.1.22.0.1.el5]

• [net] Add entropy support to e1000 and bnx2 (John Sobecki) [orabug 6045759]
• [net] Add xen pv/bonding netconsole support (Tina yang) [orabug 6993043] [bz 7258]
• [mm] shrink zone patch (John Sobecki,Chris Mason) [orabug 6086839]
• [nfs] nfs attribute timeout fix (Trond Myklebust) [orabug 7156607] [RHBZ 446083]
• [xen] execshield: fix endless GPF fault loop (Stephen Tweedie) [orabug 7175395]

[2.6.18-92.1.22.el5]

• [misc] hugepages: ia64 stack overflow and corrupt memory (Larry Woodman ) [474347 472802]
• [misc] allow hugepage allocation to use most of memory (Larry Woodman ) [474760 438889]

[2.6.18-92.1.21.el5]

• [misc] rtc: disable SIGIO notification on close (Vitaly Mayatskikh ) [465746 465747]

[2.6.18-92.1.20.el5]

• [input] atkbd: cancel delayed work before freeing struct (Jiri Pirko ) [461232 461233]
• [drm] i915 driver arbitrary ioremap (Eugene Teo ) [464508 464509] {CVE-2008-3831}
• [fs] don’t allow splice to files opened with O_APPEND (Eugene Teo ) [466709 466710] {CVE-2008-4554}
• [xen] x86: allow the kernel to boot on pre-64 bit hw (Chris Lalancette ) [470040 468083]
• [net] ipv4: fix byte value boundary check (Jiri Pirko ) [469649 468148]
• [ia64] fix ptrace hangs when following threads (Denys Vlasenko ) [469150 461456]
• [net] sctp: INIT-ACK indicates no AUTH peer support oops (Eugene Teo ) [466081 466082] {CVE-2008-4576}
• [input] atkbd: delay executing of LED switching request (Jiri Pirko ) [461232 461233]
• [xen] ia64: make viosapic SMP-safe by adding lock/unlock (Tetsu Yamamoto ) [467727 466552]
• [xen] allow guests to hide the TSC from applications (Chris Lalancette ) [378471 378481] {CVE-2007-5907}
• [nfs] v4: don’t reuse expired nfs4_state_owner structs (Jeff Layton ) [469650 441884]
• [nfs] v4: credential ref leak in nfs4_get_state_owner (Jeff Layton ) [469650 441884]
• [nfs] v4: Poll aggressively when handling NFS4ERR_DELAY (Jeff Layton ) [469650 441884]
• [xen] ia64: speed up hypercall for guest domain creation (Tetsu Yamamoto ) [459080 456171]
• [xen] use unlocked_ioctl in evtchn, gntdev and privcmd (Tetsu Yamamoto ) [459080 456171]
• [xen] page scrub: serialise softirq with a new lock (Tetsu Yamamoto ) [459080 456171]
• [xen] serialize scrubbing pages (Tetsu Yamamoto ) [459080 456171]
• [nfs] pages of a memory mapped file get corrupted (Peter Staubach ) [450335 435291]
• [x86_64] xen: fix syscall return when tracing (Chris Lalancette ) [470853 453394]

[2.6.18-92.1.19.el5]

• Revert: [xen] allow guests to hide the TSC from applications (Chris Lalancette ) [378471 378481] {CVE-2007-5907}
• Revert: [xen] x86: allow the kernel to boot on pre-64 bit hw (Chris Lalancette ) [470040 468083]

[2.6.18-92.1.18.el5]

• [xen] x86: allow the kernel to boot on pre-64 bit hw (Chris Lalancette ) [470040 468083]