ESB-2018.3613 - [RedHat] linux kernel: Root compromise - Existing account 2018-11-21

Printable version
PGP/GPG verifiable version

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

                               ESB-2018.3613
                     Important: kernel security update
                             21 November 2018

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

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

Product:           linux kernel
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux WS/Desktop 6
                   Red Hat Enterprise Linux Server 6
Impact/Access:     Root Compromise -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-14634  

Reference:         ESB-2018.3563
                   ESB-2018.3166
                   ESB-2018.3140
                   ESB-2018.3130

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2018:3643

- --------------------------BEGIN INCLUDED TEXT--------------------

- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Important: kernel security update
Advisory ID:       RHSA-2018:3643-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:3643
Issue date:        2018-11-20
CVE Names:         CVE-2018-14634 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 6.4
Advanced Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Server AUS (v. 6.4) - noarch, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 6.4) - x86_64

3. Description:

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

Security Fix(es):

* kernel: Integer overflow in Linux's create_elf_tables function
(CVE-2018-14634)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Qualys Research Labs for reporting this issue.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

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

1624498 - CVE-2018-14634 kernel: Integer overflow in Linux's create_elf_tables function

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 6.4):

Source:
kernel-2.6.32-358.94.1.el6.src.rpm

noarch:
kernel-doc-2.6.32-358.94.1.el6.noarch.rpm
kernel-firmware-2.6.32-358.94.1.el6.noarch.rpm

x86_64:
kernel-2.6.32-358.94.1.el6.x86_64.rpm
kernel-debug-2.6.32-358.94.1.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-358.94.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-358.94.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-358.94.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-358.94.1.el6.x86_64.rpm
kernel-devel-2.6.32-358.94.1.el6.x86_64.rpm
kernel-headers-2.6.32-358.94.1.el6.x86_64.rpm
perf-2.6.32-358.94.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-358.94.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-358.94.1.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 6.4):

Source:
kernel-2.6.32-358.94.1.el6.src.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-358.94.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-358.94.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-358.94.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-358.94.1.el6.x86_64.rpm
python-perf-2.6.32-358.94.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-358.94.1.el6.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/

7. References:

https://access.redhat.com/security/cve/CVE-2018-14634
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/mutagen-astronomy

8. Contact:

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

Copyright 2018 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=b3Wf
- -----END PGP SIGNATURE-----

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=6Z7h
-----END PGP SIGNATURE-----

« Back to bulletins