RHSA-2006:0580-01 Moderate: kernel security update
Posted on: 07/13/2006 03:12 PM

A new update is available for Red Hat Enterprise Linux. Here the announcement:

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Red Hat Security Advisory

Synopsis: Moderate: kernel security update
Advisory ID: RHSA-2006:0580-01
Advisory URL: https://rhn.redhat.com/errata/RHSA-2006-0580.html
Issue date: 2006-07-13
Updated on: 2006-07-13
Product: Red Hat Enterprise Linux
CVE Names: CVE-2005-3055 CVE-2005-3273 CVE-2006-1342
CVE-2006-1343 CVE-2006-1864 CVE-2006-2071
CVE-2006-2444
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1. Summary:

Updated kernel packages that fix a number of security issues as well as
other bugs are now available for Red Hat Enterprise Linux 2.1 (64 bit
architectures)

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 (Advanced Server) version 2.1 - ia64
Red Hat Linux Advanced Workstation 2.1 - ia64

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 the USB devio handling of device removal that allowed a local
user to cause a denial of service (crash) (CVE-2005-3055, moderate)

* a flaw in ROSE due to missing verification of the ndigis argument of new
routes (CVE-2005-3273, moderate)

* a minor info leak in socket name handling in the network code
(CVE-2006-1342, low)

* a minor info leak in socket option handling in the network code
(CVE-2006-1343, low)

* a directory traversal vulnerability in smbfs that allowed a local user to
escape chroot restrictions for an SMB-mounted filesystem via "..\\"
sequences (CVE-2006-1864, moderate)

* a flaw in the mprotect system call that allowed to give write permission
to a readonly attachment of shared memory (CVE-2006-2071, moderate)

* a flaw in IPv4 netfilter handling for the unlikely use of SNMP NAT
processing that allowed a remote user to cause a denial of service (crash)
or potential memory corruption (CVE-2006-2444, moderate)

All Red Hat Enterprise Linux 2.1 users are advised to upgrade their kernels
to these updated packages, which contain backported fixes to correct these
issues.

4. Solution:

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

This update is available via Red Hat Network. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

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

155363 - CVE-2005-3273 ROSE ndigis verification
169263 - CVE-2005-3055 async usb devio oops (ipf)
186247 - CVE-2006-1342 Small information leak in SO_ORIGINAL_DST and getname() (CVE-2006-1343)
189439 - CVE-2006-1864 smbfs chroot issue
190077 - CVE-2006-2071 mprotect gives write permission to a readonly attachment
192634 - CVE-2006-2444 SNMP NAT netfilter memory corruption

6. RPMs required:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/kernel-2.4.18-e.63.src.rpm
c61d463283afa0bed053f3161756733b kernel-2.4.18-e.63.src.rpm

ia64:
32532fafc62a1f79c87e8a108237eb45 kernel-2.4.18-e.63.ia64.rpm
19dedbf7215f9a415361a7ef3e492e76 kernel-doc-2.4.18-e.63.ia64.rpm
06caba179a589bc80a3dc985a631a235 kernel-smp-2.4.18-e.63.ia64.rpm
02e26e237854382d5df668e8dc65c0b3 kernel-source-2.4.18-e.63.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/kernel-2.4.18-e.63.src.rpm
c61d463283afa0bed053f3161756733b kernel-2.4.18-e.63.src.rpm

ia64:
32532fafc62a1f79c87e8a108237eb45 kernel-2.4.18-e.63.ia64.rpm
19dedbf7215f9a415361a7ef3e492e76 kernel-doc-2.4.18-e.63.ia64.rpm
06caba179a589bc80a3dc985a631a235 kernel-smp-2.4.18-e.63.ia64.rpm
02e26e237854382d5df668e8dc65c0b3 kernel-source-2.4.18-e.63.ia64.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-2005-3055
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3273
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1342
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1343
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1864
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2071
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2444
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is lt;secalert@redhat.comgt;. More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2006 Red Hat, Inc.
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