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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                   ESB-2006.0058 -- [UNIX/Linux][RedHat]
                     Important: kernel security update
                              20 January 2006

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           kernel
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux AS/ES/WS 4
                   Red Hat Enterprise Linux Desktop 4
Impact:            Inappropriate Access
                   Increased Privileges
                   Denial of Service
Access:            Remote/Unauthenticated
CVE Names:         CVE-2005-4605 CVE-2005-3858 CVE-2005-3857
                   CVE-2005-3848 CVE-2005-3806 CVE-2005-3784
                   CVE-2005-3358 CVE-2005-3356 CVE-2005-3276
                   CVE-2005-3109 CVE-2005-3106 CVE-2005-3044
                   CVE-2005-2800 CVE-2005-2709 CVE-2005-2458
                   CVE-2004-1190 CVE-2002-2185

Comment: Please see https://rhn.redhat.com/errata/RHSA-2006-0140.html for 
         kernel updates to the Red Hat Linux 3 family.

Revision History:  January 20 2006: Similar kernel updates are now 
                   available for the Red Hat Linux 3 family of operating 
                   systems
                   January 18 2006: Initial Release

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                   Red Hat Security Advisory

Synopsis:          Important: kernel security update
Advisory ID:       RHSA-2006:0101-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2006-0101.html
Issue date:        2006-01-17
Updated on:        2006-01-17
Product:           Red Hat Enterprise Linux
Obsoletes:         RHSA-2005:808
CVE Names:         CVE-2002-2185 CVE-2004-1190 CVE-2005-2458 CVE-2005-2709 CVE-2005-2800 CVE-2005-3044 CVE-2005-3106 CVE-2005-3109 CVE-2005-3276 CVE-2005-3356 CVE-2005-3358 CVE-2005-3784 CVE-2005-3806 CVE-2005-3848 CVE-2005-3857 CVE-2005-3858 CVE-2005-4605
- - ---------------------------------------------------------------------

1. Summary:

Updated kernel packages that fix several security issues in the Red Hat
Enterprise Linux 4 kernel are now available. 

This security advisory has been rated as having important security impact
by the Red Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 4 - i386, ia64, noarch, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, noarch, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, noarch, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, noarch, x86_64

3. Problem description:

The Linux kernel handles the basic functions of the operating system.

These new kernel packages contain fixes for the security issues
described below:

- - - a flaw in network IGMP processing that a allowed a remote user on the
local network to cause a denial of service (disabling of multicast reports)
if the system is running multicast applications (CVE-2002-2185, moderate)

- - - a flaw which allowed a local user to write to firmware on read-only
opened /dev/cdrom devices (CVE-2004-1190, moderate) 

- - - a flaw in gzip/zlib handling internal to the kernel that may allow a
local user to cause a denial of service (crash) (CVE-2005-2458, low) 

- - - a flaw in procfs handling during unloading of modules that allowed a
local user to cause a denial of service or potentially gain privileges
(CVE-2005-2709, moderate)

- - - a flaw in the SCSI procfs interface that allowed a local user to cause a
denial of service (crash) (CVE-2005-2800, moderate)

- - - a flaw in 32-bit-compat handling of the TIOCGDEV ioctl that allowed
a local user to cause a denial of service (crash) (CVE-2005-3044, important)

- - - a race condition when threads share memory mapping that allowed local
users to cause a denial of service (deadlock) (CVE-2005-3106, important)

- - - a flaw when trying to mount a non-hfsplus filesystem using hfsplus that
allowed local users to cause a denial of service (crash) (CVE-2005-3109,
moderate)

- - - a minor info leak with the get_thread_area() syscall that allowed
a local user to view uninitialized kernel stack data (CVE-2005-3276, low) 

- - - a flaw in mq_open system call that allowed a local user to cause a denial
of service (crash) (CVE-2005-3356, important)

- - - a flaw in set_mempolicy that allowed a local user on some 64-bit
architectures to cause a denial of service (crash) (CVE-2005-3358, important)

- - - a flaw in the auto-reap of child processes that allowed a local user to
cause a denial of service (crash) (CVE-2005-3784, important)

- - - a flaw in the IPv6 flowlabel code that allowed a local user to cause a
denial of service (crash) (CVE-2005-3806, important)

- - - a flaw in network ICMP processing that allowed a local user to cause
a denial of service (memory exhaustion) (CVE-2005-3848, important)

- - - a flaw in file lease time-out handling that allowed a local user to cause
a denial of service (log file overflow) (CVE-2005-3857, moderate) 

- - - a flaw in network IPv6 xfrm handling that allowed a local user to
cause a denial of service (memory exhaustion) (CVE-2005-3858, important) 

- - - a flaw in procfs handling that allowed a local user to read kernel memory
(CVE-2005-4605, important)

All Red Hat Enterprise Linux 4 users are advised to upgrade their kernels
to the packages associated with their machine architectures and
configurations as listed in this erratum.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  Use Red Hat
Network to download and update your packages.  To launch the Red Hat
Update Agent, use the following command:

    up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

    http://www.redhat.com/docs/manuals/enterprise/

5. Bug IDs fixed (http://bugzilla.redhat.com/):

158861 - CVE-2004-1190 Continued raw access issues
165679 - CVE-2005-2458 gzip/zlib flaws
167696 - CVE-2005-2800 SCSI proc DoS
168659 - CVE-2005-3044 lost fput and sockfd_put could lead to DoS
168777 - CVE-2005-3276 sys_get_thread_area minor info leak
168924 - CVE-2005-2709 More sysctl flaws
169130 - CVE-2005-3356 double decrement of mqueue_mnt->mnt_count in sys_mq_open
170262 - CVE-2005-3106 exec_mmap race DoS
171002 - CVE-2005-3109 HFS oops
174078 - [RHEL4] CVE-2005-3784 auto-reap DoS
174081 - CVE-2005-3806 ipv6 DOS
174337 - [RHEL4] CVE-2005-3857 lease printk DoS
174343 - CVE-2005-3858 ip6_input_finish DoS
174345 - CVE-2005-3848 dst_entry leak DoS
174807 - CVE-2002-2185 IGMP DoS
175683 - CVE-2005-3358 panic caused by bad args to set_mempolicy
176812 - CVE-2005-4605 Kernel memory disclosure


6. RPMs required:

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/kernel-2.6.9-22.0.2.EL.src.rpm
b50fbbd12e29a3ca1bfa7b4310fdc18d  kernel-2.6.9-22.0.2.EL.src.rpm

i386:
a9054fd42cd3105a673f2066caf4de15  kernel-2.6.9-22.0.2.EL.i686.rpm
e3a7fef199a480936043131ca10945e1  kernel-devel-2.6.9-22.0.2.EL.i686.rpm
0e26e14f1de7f0e8d39ac918af2a8494  kernel-hugemem-2.6.9-22.0.2.EL.i686.rpm
dcb79758906cc2ba683d5b1beadf6db1  kernel-hugemem-devel-2.6.9-22.0.2.EL.i686.rpm
e66a773b0425948807df2369519c8416  kernel-smp-2.6.9-22.0.2.EL.i686.rpm
52aef02b73f55f9a28308713e3cad221  kernel-smp-devel-2.6.9-22.0.2.EL.i686.rpm

ia64:
2567e86652683fc131d6298a9466d9f4  kernel-2.6.9-22.0.2.EL.ia64.rpm
15bfd72b79b20e2d90fd47fbf68deda0  kernel-devel-2.6.9-22.0.2.EL.ia64.rpm

noarch:
bb0a0d5917b0d63d9c683a7f33e519a9  kernel-doc-2.6.9-22.0.2.EL.noarch.rpm

ppc:
68686b0f7065d72e01090af2c3c12413  kernel-2.6.9-22.0.2.EL.ppc64.rpm
1220c56733452c55c87ae7a7fc6da952  kernel-2.6.9-22.0.2.EL.ppc64iseries.rpm
6d50c9ead773ce1b5a033ef794107dd0  kernel-devel-2.6.9-22.0.2.EL.ppc64.rpm
edd38da55bca79d91268ccb39dc001e3  kernel-devel-2.6.9-22.0.2.EL.ppc64iseries.rpm

s390:
fd2526e4e7fdac29d15a836554d18002  kernel-2.6.9-22.0.2.EL.s390.rpm
55e50f39b2cae60dae41c19187513f85  kernel-devel-2.6.9-22.0.2.EL.s390.rpm

s390x:
94ffb16f720bd5e58c7ed16af7b8ad6c  kernel-2.6.9-22.0.2.EL.s390x.rpm
f05df19613aab4d3a3efbc04c83632c2  kernel-devel-2.6.9-22.0.2.EL.s390x.rpm

x86_64:
aa26a1be88624b4dd72b21878d051f2c  kernel-2.6.9-22.0.2.EL.x86_64.rpm
2bdb46d99ab6ec0a7e2cb40c27caf557  kernel-devel-2.6.9-22.0.2.EL.x86_64.rpm
e9cdbe981b52ec9f3cf52e6e48c4f99c  kernel-smp-2.6.9-22.0.2.EL.x86_64.rpm
1397c66c010c457c5d9203f5af6eb410  kernel-smp-devel-2.6.9-22.0.2.EL.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/kernel-2.6.9-22.0.2.EL.src.rpm
b50fbbd12e29a3ca1bfa7b4310fdc18d  kernel-2.6.9-22.0.2.EL.src.rpm

i386:
a9054fd42cd3105a673f2066caf4de15  kernel-2.6.9-22.0.2.EL.i686.rpm
e3a7fef199a480936043131ca10945e1  kernel-devel-2.6.9-22.0.2.EL.i686.rpm
0e26e14f1de7f0e8d39ac918af2a8494  kernel-hugemem-2.6.9-22.0.2.EL.i686.rpm
dcb79758906cc2ba683d5b1beadf6db1  kernel-hugemem-devel-2.6.9-22.0.2.EL.i686.rpm
e66a773b0425948807df2369519c8416  kernel-smp-2.6.9-22.0.2.EL.i686.rpm
52aef02b73f55f9a28308713e3cad221  kernel-smp-devel-2.6.9-22.0.2.EL.i686.rpm

noarch:
bb0a0d5917b0d63d9c683a7f33e519a9  kernel-doc-2.6.9-22.0.2.EL.noarch.rpm

x86_64:
aa26a1be88624b4dd72b21878d051f2c  kernel-2.6.9-22.0.2.EL.x86_64.rpm
2bdb46d99ab6ec0a7e2cb40c27caf557  kernel-devel-2.6.9-22.0.2.EL.x86_64.rpm
e9cdbe981b52ec9f3cf52e6e48c4f99c  kernel-smp-2.6.9-22.0.2.EL.x86_64.rpm
1397c66c010c457c5d9203f5af6eb410  kernel-smp-devel-2.6.9-22.0.2.EL.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/kernel-2.6.9-22.0.2.EL.src.rpm
b50fbbd12e29a3ca1bfa7b4310fdc18d  kernel-2.6.9-22.0.2.EL.src.rpm

i386:
a9054fd42cd3105a673f2066caf4de15  kernel-2.6.9-22.0.2.EL.i686.rpm
e3a7fef199a480936043131ca10945e1  kernel-devel-2.6.9-22.0.2.EL.i686.rpm
0e26e14f1de7f0e8d39ac918af2a8494  kernel-hugemem-2.6.9-22.0.2.EL.i686.rpm
dcb79758906cc2ba683d5b1beadf6db1  kernel-hugemem-devel-2.6.9-22.0.2.EL.i686.rpm
e66a773b0425948807df2369519c8416  kernel-smp-2.6.9-22.0.2.EL.i686.rpm
52aef02b73f55f9a28308713e3cad221  kernel-smp-devel-2.6.9-22.0.2.EL.i686.rpm

ia64:
2567e86652683fc131d6298a9466d9f4  kernel-2.6.9-22.0.2.EL.ia64.rpm
15bfd72b79b20e2d90fd47fbf68deda0  kernel-devel-2.6.9-22.0.2.EL.ia64.rpm

noarch:
bb0a0d5917b0d63d9c683a7f33e519a9  kernel-doc-2.6.9-22.0.2.EL.noarch.rpm

x86_64:
aa26a1be88624b4dd72b21878d051f2c  kernel-2.6.9-22.0.2.EL.x86_64.rpm
2bdb46d99ab6ec0a7e2cb40c27caf557  kernel-devel-2.6.9-22.0.2.EL.x86_64.rpm
e9cdbe981b52ec9f3cf52e6e48c4f99c  kernel-smp-2.6.9-22.0.2.EL.x86_64.rpm
1397c66c010c457c5d9203f5af6eb410  kernel-smp-devel-2.6.9-22.0.2.EL.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/kernel-2.6.9-22.0.2.EL.src.rpm
b50fbbd12e29a3ca1bfa7b4310fdc18d  kernel-2.6.9-22.0.2.EL.src.rpm

i386:
a9054fd42cd3105a673f2066caf4de15  kernel-2.6.9-22.0.2.EL.i686.rpm
e3a7fef199a480936043131ca10945e1  kernel-devel-2.6.9-22.0.2.EL.i686.rpm
0e26e14f1de7f0e8d39ac918af2a8494  kernel-hugemem-2.6.9-22.0.2.EL.i686.rpm
dcb79758906cc2ba683d5b1beadf6db1  kernel-hugemem-devel-2.6.9-22.0.2.EL.i686.rpm
e66a773b0425948807df2369519c8416  kernel-smp-2.6.9-22.0.2.EL.i686.rpm
52aef02b73f55f9a28308713e3cad221  kernel-smp-devel-2.6.9-22.0.2.EL.i686.rpm

ia64:
2567e86652683fc131d6298a9466d9f4  kernel-2.6.9-22.0.2.EL.ia64.rpm
15bfd72b79b20e2d90fd47fbf68deda0  kernel-devel-2.6.9-22.0.2.EL.ia64.rpm

noarch:
bb0a0d5917b0d63d9c683a7f33e519a9  kernel-doc-2.6.9-22.0.2.EL.noarch.rpm

x86_64:
aa26a1be88624b4dd72b21878d051f2c  kernel-2.6.9-22.0.2.EL.x86_64.rpm
2bdb46d99ab6ec0a7e2cb40c27caf557  kernel-devel-2.6.9-22.0.2.EL.x86_64.rpm
e9cdbe981b52ec9f3cf52e6e48c4f99c  kernel-smp-2.6.9-22.0.2.EL.x86_64.rpm
1397c66c010c457c5d9203f5af6eb410  kernel-smp-devel-2.6.9-22.0.2.EL.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://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2002-2185
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1190
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2458
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2709
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2800
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3044
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3106
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3109
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3276
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3356
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3358
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3784
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3806
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3848
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3857
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3858
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-4605

8. Contact:

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

Copyright 2006 Red Hat, Inc.
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