RHSA-2009:1541-01 Important: kernel security update

Red Hat 9042 Published by

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



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=====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel security update
Advisory ID: RHSA-2009:1541-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2009-1541.html
Issue date: 2009-11-03
CVE Names: CVE-2009-3547
=====================================================================

1. Summary:

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

This update 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. Description:

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

This update fixes the following security issues:

* a NULL pointer dereference flaw was found in each of the following
functions in the Linux kernel: pipe_read_open(), pipe_write_open(), and
pipe_rdwr_open(). When the mutex lock is not held, the i_pipe pointer could
be released by other processes before it is used to update the pipe's
reader and writer counters. This could lead to a local denial of service or
privilege escalation. (CVE-2009-3547, Important)

Users should upgrade to these updated packages, which contain a backported
patch to correct these issues. The system must be rebooted for this update
to take effect.

4. Solution:

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

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

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

530490 - CVE-2009-3547 kernel: fs: pipe.c null pointer dereference

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/kernel-2.6.9-89.0.16.EL.src.rpm

i386:
kernel-2.6.9-89.0.16.EL.i686.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.i686.rpm
kernel-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-hugemem-2.6.9-89.0.16.EL.i686.rpm
kernel-hugemem-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-smp-2.6.9-89.0.16.EL.i686.rpm
kernel-smp-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-xenU-2.6.9-89.0.16.EL.i686.rpm
kernel-xenU-devel-2.6.9-89.0.16.EL.i686.rpm

ia64:
kernel-2.6.9-89.0.16.EL.ia64.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.ia64.rpm
kernel-devel-2.6.9-89.0.16.EL.ia64.rpm
kernel-largesmp-2.6.9-89.0.16.EL.ia64.rpm
kernel-largesmp-devel-2.6.9-89.0.16.EL.ia64.rpm

noarch:
kernel-doc-2.6.9-89.0.16.EL.noarch.rpm

ppc:
kernel-2.6.9-89.0.16.EL.ppc64.rpm
kernel-2.6.9-89.0.16.EL.ppc64iseries.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.ppc64.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.ppc64iseries.rpm
kernel-devel-2.6.9-89.0.16.EL.ppc64.rpm
kernel-devel-2.6.9-89.0.16.EL.ppc64iseries.rpm
kernel-largesmp-2.6.9-89.0.16.EL.ppc64.rpm
kernel-largesmp-devel-2.6.9-89.0.16.EL.ppc64.rpm

s390:
kernel-2.6.9-89.0.16.EL.s390.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.s390.rpm
kernel-devel-2.6.9-89.0.16.EL.s390.rpm

s390x:
kernel-2.6.9-89.0.16.EL.s390x.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.s390x.rpm
kernel-devel-2.6.9-89.0.16.EL.s390x.rpm

x86_64:
kernel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.x86_64.rpm
kernel-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-largesmp-2.6.9-89.0.16.EL.x86_64.rpm
kernel-largesmp-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-smp-2.6.9-89.0.16.EL.x86_64.rpm
kernel-smp-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-xenU-2.6.9-89.0.16.EL.x86_64.rpm
kernel-xenU-devel-2.6.9-89.0.16.EL.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/kernel-2.6.9-89.0.16.EL.src.rpm

i386:
kernel-2.6.9-89.0.16.EL.i686.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.i686.rpm
kernel-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-hugemem-2.6.9-89.0.16.EL.i686.rpm
kernel-hugemem-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-smp-2.6.9-89.0.16.EL.i686.rpm
kernel-smp-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-xenU-2.6.9-89.0.16.EL.i686.rpm
kernel-xenU-devel-2.6.9-89.0.16.EL.i686.rpm

noarch:
kernel-doc-2.6.9-89.0.16.EL.noarch.rpm

x86_64:
kernel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.x86_64.rpm
kernel-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-largesmp-2.6.9-89.0.16.EL.x86_64.rpm
kernel-largesmp-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-smp-2.6.9-89.0.16.EL.x86_64.rpm
kernel-smp-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-xenU-2.6.9-89.0.16.EL.x86_64.rpm
kernel-xenU-devel-2.6.9-89.0.16.EL.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/kernel-2.6.9-89.0.16.EL.src.rpm

i386:
kernel-2.6.9-89.0.16.EL.i686.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.i686.rpm
kernel-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-hugemem-2.6.9-89.0.16.EL.i686.rpm
kernel-hugemem-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-smp-2.6.9-89.0.16.EL.i686.rpm
kernel-smp-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-xenU-2.6.9-89.0.16.EL.i686.rpm
kernel-xenU-devel-2.6.9-89.0.16.EL.i686.rpm

ia64:
kernel-2.6.9-89.0.16.EL.ia64.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.ia64.rpm
kernel-devel-2.6.9-89.0.16.EL.ia64.rpm
kernel-largesmp-2.6.9-89.0.16.EL.ia64.rpm
kernel-largesmp-devel-2.6.9-89.0.16.EL.ia64.rpm

noarch:
kernel-doc-2.6.9-89.0.16.EL.noarch.rpm

x86_64:
kernel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.x86_64.rpm
kernel-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-largesmp-2.6.9-89.0.16.EL.x86_64.rpm
kernel-largesmp-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-smp-2.6.9-89.0.16.EL.x86_64.rpm
kernel-smp-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-xenU-2.6.9-89.0.16.EL.x86_64.rpm
kernel-xenU-devel-2.6.9-89.0.16.EL.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/kernel-2.6.9-89.0.16.EL.src.rpm

i386:
kernel-2.6.9-89.0.16.EL.i686.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.i686.rpm
kernel-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-hugemem-2.6.9-89.0.16.EL.i686.rpm
kernel-hugemem-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-smp-2.6.9-89.0.16.EL.i686.rpm
kernel-smp-devel-2.6.9-89.0.16.EL.i686.rpm
kernel-xenU-2.6.9-89.0.16.EL.i686.rpm
kernel-xenU-devel-2.6.9-89.0.16.EL.i686.rpm

ia64:
kernel-2.6.9-89.0.16.EL.ia64.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.ia64.rpm
kernel-devel-2.6.9-89.0.16.EL.ia64.rpm
kernel-largesmp-2.6.9-89.0.16.EL.ia64.rpm
kernel-largesmp-devel-2.6.9-89.0.16.EL.ia64.rpm

noarch:
kernel-doc-2.6.9-89.0.16.EL.noarch.rpm

x86_64:
kernel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-debuginfo-2.6.9-89.0.16.EL.x86_64.rpm
kernel-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-largesmp-2.6.9-89.0.16.EL.x86_64.rpm
kernel-largesmp-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-smp-2.6.9-89.0.16.EL.x86_64.rpm
kernel-smp-devel-2.6.9-89.0.16.EL.x86_64.rpm
kernel-xenU-2.6.9-89.0.16.EL.x86_64.rpm
kernel-xenU-devel-2.6.9-89.0.16.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-2009-3547
http://www.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2009 Red Hat, Inc.
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RHSA-2009:1548-01 Important: kernel security and bug fix update

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