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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
(Red Hat Issues Fix) Linux Kernel Input Validation Flaw in Intel PRO/1000 Linux Drivers Lets Remote Users Deny Service and Potentially Bypass Security Controls
SecurityTracker Alert ID:  1023479
SecurityTracker URL:  http://securitytracker.com/id/1023479
CVE Reference:   CVE-2009-4536, CVE-2009-4538   (Links to External Site)
Date:  Jan 20 2010
Impact:   Denial of service via network, Modification of system information
Vendor Confirmed:  Yes  
Version(s): 5.3.z
Description:   A vulnerability was reported in the the Linux Kernel. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to cause the target e1000 or e1000e driver to crash.

A remote user may also be able to send specially crafted data that will bypass the driver's fragment check and cause portions of invalid frames to be passed up to the networking stack.

Eugene Teo reported this vulnerability.

Impact:   A remote user can cause the target system to crash.
Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2010-0053.html

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Input validation error

Message History:   This archive entry is a follow-up to the message listed below.
Jan 8 2010 Linux Kernel Input Validation Flaw in Intel PRO/1000 Linux Drivers Lets Remote Users Deny Service and Potentially Bypass Security Controls



 Source Message Contents

Subject:  [RHSA-2010:0053-01] Important: kernel security and bug fix update

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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2010:0053-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2010-0053.html
Issue date:        2010-01-19
CVE Names:         CVE-2007-4567 CVE-2009-4536 CVE-2009-4537 
                   CVE-2009-4538 
=====================================================================

1. Summary:

Updated kernel packages that fix multiple security issues and two bugs are
now available for Red Hat Enterprise Linux 5.3 Extended Update Support.

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 (v. 5.3.z server) - i386, ia64, noarch, ppc, s390x, 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 flaw was found in the IPv6 Extension Header (EH) handling
implementation in the Linux kernel. The skb->dst data structure was not
properly validated in the ipv6_hop_jumbo() function. This could possibly
lead to a remote denial of service. (CVE-2007-4567, Important)

* a flaw was found in each of the following Intel PRO/1000 Linux
drivers in the Linux kernel: e1000 and e1000e. A remote attacker using
packets larger than the MTU could bypass the existing fragment check,
resulting in partial, invalid frames being passed to the network stack.
These flaws could also possibly be used to trigger a remote denial of
service. (CVE-2009-4536, CVE-2009-4538, Important)

* a flaw was found in the Realtek r8169 Ethernet driver in the Linux
kernel. Receiving overly-long frames with a certain revision of the network
cards supported by this driver could possibly result in a remote denial of
service. (CVE-2009-4537, Important)

This update also fixes the following bugs:

* on certain hardware, the igb driver was unable to detect link statuses
correctly for Serializer-Deserializer (SERDES) interface Ethernet ports.
This may have caused problems for network interface bonding, such as
failover not occurring. (BZ#548023)

* in certain situations, kdump occasionally dumped a vmcore file with no
registers on Intel Itanium systems that were under high disk I/O load. In
these cases, this prevented the kernel stack backtrace in the vmcore from
being viewed with the crash utility. (BZ#542581)

Users should upgrade to these updated packages, which contain backported
patches 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/):

542581 - kdump corefile cannot be backtraced in IA64 [rhel-5.3.z]
548023 - EL5.3: igb driver fails to detect link status change on SERDES interface [rhel-5.3.z]
548641 - CVE-2007-4567 kernel: ipv6_hop_jumbo remote system crash
550907 - CVE-2009-4537 kernel: r8169 issue reported at 26c3
551214 - CVE-2009-4538 kernel: e1000e frame fragment issue
552126 - CVE-2009-4536 kernel: e1000 issue reported at 26c3

6. Package List:

Red Hat Enterprise Linux (v. 5.3.z server):

Source:
kernel-2.6.18-128.12.1.el5.src.rpm

i386:
kernel-2.6.18-128.12.1.el5.i686.rpm
kernel-PAE-2.6.18-128.12.1.el5.i686.rpm
kernel-PAE-debuginfo-2.6.18-128.12.1.el5.i686.rpm
kernel-PAE-devel-2.6.18-128.12.1.el5.i686.rpm
kernel-debug-2.6.18-128.12.1.el5.i686.rpm
kernel-debug-debuginfo-2.6.18-128.12.1.el5.i686.rpm
kernel-debug-devel-2.6.18-128.12.1.el5.i686.rpm
kernel-debuginfo-2.6.18-128.12.1.el5.i686.rpm
kernel-debuginfo-common-2.6.18-128.12.1.el5.i686.rpm
kernel-devel-2.6.18-128.12.1.el5.i686.rpm
kernel-headers-2.6.18-128.12.1.el5.i386.rpm
kernel-xen-2.6.18-128.12.1.el5.i686.rpm
kernel-xen-debuginfo-2.6.18-128.12.1.el5.i686.rpm
kernel-xen-devel-2.6.18-128.12.1.el5.i686.rpm

ia64:
kernel-2.6.18-128.12.1.el5.ia64.rpm
kernel-debug-2.6.18-128.12.1.el5.ia64.rpm
kernel-debug-debuginfo-2.6.18-128.12.1.el5.ia64.rpm
kernel-debug-devel-2.6.18-128.12.1.el5.ia64.rpm
kernel-debuginfo-2.6.18-128.12.1.el5.ia64.rpm
kernel-debuginfo-common-2.6.18-128.12.1.el5.ia64.rpm
kernel-devel-2.6.18-128.12.1.el5.ia64.rpm
kernel-headers-2.6.18-128.12.1.el5.ia64.rpm
kernel-xen-2.6.18-128.12.1.el5.ia64.rpm
kernel-xen-debuginfo-2.6.18-128.12.1.el5.ia64.rpm
kernel-xen-devel-2.6.18-128.12.1.el5.ia64.rpm

noarch:
kernel-doc-2.6.18-128.12.1.el5.noarch.rpm

ppc:
kernel-2.6.18-128.12.1.el5.ppc64.rpm
kernel-debug-2.6.18-128.12.1.el5.ppc64.rpm
kernel-debug-debuginfo-2.6.18-128.12.1.el5.ppc64.rpm
kernel-debug-devel-2.6.18-128.12.1.el5.ppc64.rpm
kernel-debuginfo-2.6.18-128.12.1.el5.ppc64.rpm
kernel-debuginfo-common-2.6.18-128.12.1.el5.ppc64.rpm
kernel-devel-2.6.18-128.12.1.el5.ppc64.rpm
kernel-headers-2.6.18-128.12.1.el5.ppc.rpm
kernel-headers-2.6.18-128.12.1.el5.ppc64.rpm
kernel-kdump-2.6.18-128.12.1.el5.ppc64.rpm
kernel-kdump-debuginfo-2.6.18-128.12.1.el5.ppc64.rpm
kernel-kdump-devel-2.6.18-128.12.1.el5.ppc64.rpm

s390x:
kernel-2.6.18-128.12.1.el5.s390x.rpm
kernel-debug-2.6.18-128.12.1.el5.s390x.rpm
kernel-debug-debuginfo-2.6.18-128.12.1.el5.s390x.rpm
kernel-debug-devel-2.6.18-128.12.1.el5.s390x.rpm
kernel-debuginfo-2.6.18-128.12.1.el5.s390x.rpm
kernel-debuginfo-common-2.6.18-128.12.1.el5.s390x.rpm
kernel-devel-2.6.18-128.12.1.el5.s390x.rpm
kernel-headers-2.6.18-128.12.1.el5.s390x.rpm
kernel-kdump-2.6.18-128.12.1.el5.s390x.rpm
kernel-kdump-debuginfo-2.6.18-128.12.1.el5.s390x.rpm
kernel-kdump-devel-2.6.18-128.12.1.el5.s390x.rpm

x86_64:
kernel-2.6.18-128.12.1.el5.x86_64.rpm
kernel-debug-2.6.18-128.12.1.el5.x86_64.rpm
kernel-debug-debuginfo-2.6.18-128.12.1.el5.x86_64.rpm
kernel-debug-devel-2.6.18-128.12.1.el5.x86_64.rpm
kernel-debuginfo-2.6.18-128.12.1.el5.x86_64.rpm
kernel-debuginfo-common-2.6.18-128.12.1.el5.x86_64.rpm
kernel-devel-2.6.18-128.12.1.el5.x86_64.rpm
kernel-headers-2.6.18-128.12.1.el5.x86_64.rpm
kernel-xen-2.6.18-128.12.1.el5.x86_64.rpm
kernel-xen-debuginfo-2.6.18-128.12.1.el5.x86_64.rpm
kernel-xen-devel-2.6.18-128.12.1.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://www.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2007-4567.html
https://www.redhat.com/security/data/cve/CVE-2009-4536.html
https://www.redhat.com/security/data/cve/CVE-2009-4537.html
https://www.redhat.com/security/data/cve/CVE-2009-4538.html
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 2010 Red Hat, Inc.
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