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Old 02-21-2012, 03:57 AM
 
Default Moderate: Red Hat Enterprise Linux 5.8 kernel update

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Red Hat Security Advisory

Synopsis: Moderate: Red Hat Enterprise Linux 5.8 kernel update
Advisory ID: RHSA-2012:0150-03
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-0150.html
Issue date: 2012-02-21
CVE Names: CVE-2011-1083
================================================== ===================

1. Summary:

Updated kernel packages that fix one security issue, address several
hundred bugs, and add numerous enhancements are now available as part of
the ongoing support and maintenance of Red Hat Enterprise Linux version 5.
This is the eighth regular update.

The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, noarch, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, noarch, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

This update fixes the following security issue:

* A flaw was found in the way the Linux kernel's Event Poll (epoll)
subsystem handled large, nested epoll structures. A local, unprivileged
user could use this flaw to cause a denial of service. (CVE-2011-1083,
Moderate)

Red Hat would like to thank Nelson Elhage for reporting this issue.

These updated kernel packages include a number of bug fixes and
enhancements. Space precludes documenting all of these changes in this
advisory. Users are directed to the Red Hat Enterprise Linux 5.8 Technical
Notes, linked to in the References, for information on the most significant
of these changes.

All Red Hat Enterprise Linux 5 users are advised to install these updated
packages, which correct these issues and add these enhancements. The system
must be rebooted for this update to take effect.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

To install kernel packages manually, use "rpm -ivh [package]". Do not
use "rpm -Uvh" as that will remove the running kernel binaries from
your system. You may use "rpm -e" to remove old kernels after
determining that the new kernel functions properly on your system.

5. Bugs fixed (http://bugzilla.redhat.com/):

485173 - kernel/module-verify-sig.c with memory uncleaned bug
516170 - kernel multipath driver behaves badly on medium errors
526862 - [RHEL5 Xen]: Mask out CPU features by default
543064 - No NUMA node hash function found on a EX machine
571737 - Cannot use Quickcam Pro 9000 with Ekiga, fails with "uvcvideo: Failed to query ..."
585935 - Bug in RHEL-5.4/5.5 nfs_access_cache_shrinker
608156 - kernel panic if bonding initialization fails
618317 - RFE: RHEL5 Xen: support online dynamic resize of guest virtual disks
664653 - [5.4] OS cannot recognize DVD disk replace in rescue mode.
668027 - unexpected error message when sending a unsolicited NA from user code
668529 - Spare disk added to a raid1 array by mdadm command is dropped upon next boot.
674663 - vlapic: Fix possible guest tick losing after save/restore
681578 - CVE-2011-1083 kernel: excessive in kernel CPU consumption when creating large nested epoll structures
681902 - GFS2: Add readahead to sequential directory traversal
683372 - NFS4: Incorrect server behavior when using OPEN call with O_CREATE on a directory on which the process has no WRITE permissions.
688673 - PCI Virtual Function Passthrough - SR-IOV, Paravirt Guest fails to obtain IRQ after reboot
688791 - dropwatch>stop: Waiting for deactivation ack (forever)
691087 - Incorrect values in /proc/sys/vm/dirty_writeback_centises and dirty_expire_centisecs
694625 - Non-responsive scsi target leads to excessive scsi recovery and dm-mp failover time
697021 - Patch needed to allow MTU >1500 on vif prior to connecting to bridge
698842 - kvmclock: MP-BIOS bug: 8254 timer not connected to IO-APIC
698928 - VLAN interface with changed MAC address fails to communicate
700565 - RHEL6.1 32bit xen hvm guest crash randomly
700752 - 32-bit PV guest crash on restore on x64_86 host
700886 - RHEL5.6 TSC used as default clock source on multi-chassis system
703150 - multiple resource leaks on error paths in blkfront and netfront
703505 - 300 seconds time shift in vdso version of clock_gettime()
704921 - panic in cifsd code after unexpected lookup error -88.
706339 - open/closed files in cifs mount points
707966 - 2.6.18-238.1.1.el5 or newer won't boot under Xen HVM due to linux-2.6-virt-nmi-don-t-print-nmi-stuck-messages-on-guests.patch
709271 - net.ipv6.conf.default.dad_transmits has no effect on tentative IPv6 addresses
709515 - Kernel panic at nfs4_callback_compound+0x2dd
711070 - mask the SMEP bit for PV, do the same or backport SMEP emulation for HVM
712439 - Backport "x86: extend debug key 't' to collect useful clock skew info"
712440 - Backport "vmx: Print advanced features during boot"
712441 - Backport "x86/hvm: fix off-by-one errors in vcpuid range checks"
713702 - pull missing fixes from upstream x86_emulate()
714053 - couple nice-to-have xen hypervisor patches
714670 - TCP_CRR and concurrent TCP stream tests over IPv6 sometime fails on rhel5.7
715501 - ext4: Don't error out the fs if the user tries to make a file too big
716834 - 'dmesg' command is swamped with the message: pci_set_power_state(): 0000:05:05.0: state=3, current state=5
717434 - Unable to attach a cdrom device to guest domain
717850 - miss xmit_hash_policy=layer2+3 in modinfo bonding output
718232 - [xfs] mis-sized O_DIRECT I/O results in hung task timeouts
718641 - Can't change lacp_rate in bonding mode=802.3ad
718988 - [EL5.7] igb: failed to activate WOL on 2nd LAN port on i350
720347 - RHEL 6.1 Xen paravirt guest is getting network outage during live migration (host side)
720551 - xfs_error_report() oops when passed-in mp is NULL
720936 - Windows guests may hang/BSOD on some AMD processors.
720986 - vlapic: backport EOI fast path
723755 - win2003 i386 guest BSOD when created with e1000 nic
728508 - Huge performance regression in NFS client
729261 - ext3/ext4 mbcache causes high CPU load
732752 - exclude VMX_PROCBASED_CTL2 from the MSRs a VMX guest is allowed to access
733416 - netfront MTU drops to 1500 after domain migration
734708 - xen modules - unable to handle kernel NULL pointer dereference
734900 - Panic, NMI Watchdog detected LOCKUP on CPU 6
735477 - nfs4_getfacl decoding causes kernel oops
740203 - Host crash when pass-through fails
740299 - [RTC] - The ioctl RTC_IRPQ_READ doesn't return the correct value
742880 - [RFE] backport Xen watchdog (hypervisor side only)
752626 - BNX2I: Fixed the endian on TTT for NOP out transmission
753729 - system cannot suspend with "stopping tasks timed out - bnx2i_thread/0 remaining"
771592 - Install RHEV-H to virtual machine cause VM kernel panic when boot
772578 - [ALL LANG] [anaconda] The installation halted when clicking 'Skip' button (select 'Skip entering Installation Number')

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/kernel-2.6.18-308.el5.src.rpm

i386:
kernel-2.6.18-308.el5.i686.rpm
kernel-PAE-2.6.18-308.el5.i686.rpm
kernel-PAE-debuginfo-2.6.18-308.el5.i686.rpm
kernel-PAE-devel-2.6.18-308.el5.i686.rpm
kernel-debug-2.6.18-308.el5.i686.rpm
kernel-debug-debuginfo-2.6.18-308.el5.i686.rpm
kernel-debug-devel-2.6.18-308.el5.i686.rpm
kernel-debuginfo-2.6.18-308.el5.i686.rpm
kernel-debuginfo-common-2.6.18-308.el5.i686.rpm
kernel-devel-2.6.18-308.el5.i686.rpm
kernel-headers-2.6.18-308.el5.i386.rpm
kernel-xen-2.6.18-308.el5.i686.rpm
kernel-xen-debuginfo-2.6.18-308.el5.i686.rpm
kernel-xen-devel-2.6.18-308.el5.i686.rpm

noarch:
kernel-doc-2.6.18-308.el5.noarch.rpm

x86_64:
kernel-2.6.18-308.el5.x86_64.rpm
kernel-debug-2.6.18-308.el5.x86_64.rpm
kernel-debug-debuginfo-2.6.18-308.el5.x86_64.rpm
kernel-debug-devel-2.6.18-308.el5.x86_64.rpm
kernel-debuginfo-2.6.18-308.el5.x86_64.rpm
kernel-debuginfo-common-2.6.18-308.el5.x86_64.rpm
kernel-devel-2.6.18-308.el5.x86_64.rpm
kernel-headers-2.6.18-308.el5.x86_64.rpm
kernel-xen-2.6.18-308.el5.x86_64.rpm
kernel-xen-debuginfo-2.6.18-308.el5.x86_64.rpm
kernel-xen-devel-2.6.18-308.el5.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/kernel-2.6.18-308.el5.src.rpm

i386:
kernel-2.6.18-308.el5.i686.rpm
kernel-PAE-2.6.18-308.el5.i686.rpm
kernel-PAE-debuginfo-2.6.18-308.el5.i686.rpm
kernel-PAE-devel-2.6.18-308.el5.i686.rpm
kernel-debug-2.6.18-308.el5.i686.rpm
kernel-debug-debuginfo-2.6.18-308.el5.i686.rpm
kernel-debug-devel-2.6.18-308.el5.i686.rpm
kernel-debuginfo-2.6.18-308.el5.i686.rpm
kernel-debuginfo-common-2.6.18-308.el5.i686.rpm
kernel-devel-2.6.18-308.el5.i686.rpm
kernel-headers-2.6.18-308.el5.i386.rpm
kernel-xen-2.6.18-308.el5.i686.rpm
kernel-xen-debuginfo-2.6.18-308.el5.i686.rpm
kernel-xen-devel-2.6.18-308.el5.i686.rpm

ia64:
kernel-2.6.18-308.el5.ia64.rpm
kernel-debug-2.6.18-308.el5.ia64.rpm
kernel-debug-debuginfo-2.6.18-308.el5.ia64.rpm
kernel-debug-devel-2.6.18-308.el5.ia64.rpm
kernel-debuginfo-2.6.18-308.el5.ia64.rpm
kernel-debuginfo-common-2.6.18-308.el5.ia64.rpm
kernel-devel-2.6.18-308.el5.ia64.rpm
kernel-headers-2.6.18-308.el5.ia64.rpm
kernel-xen-2.6.18-308.el5.ia64.rpm
kernel-xen-debuginfo-2.6.18-308.el5.ia64.rpm
kernel-xen-devel-2.6.18-308.el5.ia64.rpm

noarch:
kernel-doc-2.6.18-308.el5.noarch.rpm

ppc:
kernel-2.6.18-308.el5.ppc64.rpm
kernel-debug-2.6.18-308.el5.ppc64.rpm
kernel-debug-debuginfo-2.6.18-308.el5.ppc64.rpm
kernel-debug-devel-2.6.18-308.el5.ppc64.rpm
kernel-debuginfo-2.6.18-308.el5.ppc64.rpm
kernel-debuginfo-common-2.6.18-308.el5.ppc64.rpm
kernel-devel-2.6.18-308.el5.ppc64.rpm
kernel-headers-2.6.18-308.el5.ppc.rpm
kernel-headers-2.6.18-308.el5.ppc64.rpm
kernel-kdump-2.6.18-308.el5.ppc64.rpm
kernel-kdump-debuginfo-2.6.18-308.el5.ppc64.rpm
kernel-kdump-devel-2.6.18-308.el5.ppc64.rpm

s390x:
kernel-2.6.18-308.el5.s390x.rpm
kernel-debug-2.6.18-308.el5.s390x.rpm
kernel-debug-debuginfo-2.6.18-308.el5.s390x.rpm
kernel-debug-devel-2.6.18-308.el5.s390x.rpm
kernel-debuginfo-2.6.18-308.el5.s390x.rpm
kernel-debuginfo-common-2.6.18-308.el5.s390x.rpm
kernel-devel-2.6.18-308.el5.s390x.rpm
kernel-headers-2.6.18-308.el5.s390x.rpm
kernel-kdump-2.6.18-308.el5.s390x.rpm
kernel-kdump-debuginfo-2.6.18-308.el5.s390x.rpm
kernel-kdump-devel-2.6.18-308.el5.s390x.rpm

x86_64:
kernel-2.6.18-308.el5.x86_64.rpm
kernel-debug-2.6.18-308.el5.x86_64.rpm
kernel-debug-debuginfo-2.6.18-308.el5.x86_64.rpm
kernel-debug-devel-2.6.18-308.el5.x86_64.rpm
kernel-debuginfo-2.6.18-308.el5.x86_64.rpm
kernel-debuginfo-common-2.6.18-308.el5.x86_64.rpm
kernel-devel-2.6.18-308.el5.x86_64.rpm
kernel-headers-2.6.18-308.el5.x86_64.rpm
kernel-xen-2.6.18-308.el5.x86_64.rpm
kernel-xen-debuginfo-2.6.18-308.el5.x86_64.rpm
kernel-xen-devel-2.6.18-308.el5.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-1083.html
https://access.redhat.com/security/updates/classification/#moderate
https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/html/5.8_Technical_Notes/kernel.html#RHSA-2012-0150

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2012 Red Hat, Inc.
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