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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2018:2846-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:2846
Issue date:        2018-10-09
CVE Names:         CVE-2018-5391 CVE-2018-14634 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 6.

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 Desktop (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - noarch, x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

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

Security Fix(es):

* A flaw named FragmentSmack was found in the way the Linux kernel handled
reassembly of fragmented IPv4 and IPv6 packets. A remote attacker could use
this flaw to trigger time and calculation expensive fragment reassembly
algorithm by sending specially crafted packets which could lead to a CPU
saturation and hence a denial of service on the system. (CVE-2018-5391)

* 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 Juha-Matti Tilli (Aalto University - Department
of Communications and Networking and Nokia Bell Labs) for reporting
CVE-2018-5391 and Qualys Research Labs for reporting CVE-2018-14634.

Bug Fix(es):

These updated kernel packages include also numerous bug fixes. Space
precludes documenting all of the bug fixes in this advisory. See the
descriptions in the related Knowledge Article:

https://access.redhat.com/articles/3635371

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/):

1609664 - CVE-2018-5391 kernel: IP fragments with random offsets allow a remote denial of service (FragmentSmack)
1616397 - kernel-2.6.32-754.3.5.el6.x86_64 crash on Dell Inc. PowerEdge 1950
1624498 - CVE-2018-14634 kernel: Integer overflow in Linux's create_elf_tables function

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
kernel-2.6.32-754.6.3.el6.src.rpm

i386:
kernel-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.6.3.el6.i686.rpm
kernel-devel-2.6.32-754.6.3.el6.i686.rpm
kernel-headers-2.6.32-754.6.3.el6.i686.rpm
perf-2.6.32-754.6.3.el6.i686.rpm
perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-754.6.3.el6.noarch.rpm
kernel-doc-2.6.32-754.6.3.el6.noarch.rpm
kernel-firmware-2.6.32-754.6.3.el6.noarch.rpm

x86_64:
kernel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.6.3.el6.x86_64.rpm
kernel-devel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-headers-2.6.32-754.6.3.el6.x86_64.rpm
perf-2.6.32-754.6.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

i386:
kernel-debug-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.6.3.el6.i686.rpm
perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
python-perf-2.6.32-754.6.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.6.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
kernel-2.6.32-754.6.3.el6.src.rpm

noarch:
kernel-abi-whitelists-2.6.32-754.6.3.el6.noarch.rpm
kernel-doc-2.6.32-754.6.3.el6.noarch.rpm
kernel-firmware-2.6.32-754.6.3.el6.noarch.rpm

x86_64:
kernel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.6.3.el6.x86_64.rpm
kernel-devel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-headers-2.6.32-754.6.3.el6.x86_64.rpm
perf-2.6.32-754.6.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

x86_64:
kernel-debug-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.6.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
kernel-2.6.32-754.6.3.el6.src.rpm

i386:
kernel-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.6.3.el6.i686.rpm
kernel-devel-2.6.32-754.6.3.el6.i686.rpm
kernel-headers-2.6.32-754.6.3.el6.i686.rpm
perf-2.6.32-754.6.3.el6.i686.rpm
perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-754.6.3.el6.noarch.rpm
kernel-doc-2.6.32-754.6.3.el6.noarch.rpm
kernel-firmware-2.6.32-754.6.3.el6.noarch.rpm

ppc64:
kernel-2.6.32-754.6.3.el6.ppc64.rpm
kernel-bootwrapper-2.6.32-754.6.3.el6.ppc64.rpm
kernel-debug-2.6.32-754.6.3.el6.ppc64.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.ppc64.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.ppc64.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-754.6.3.el6.ppc64.rpm
kernel-devel-2.6.32-754.6.3.el6.ppc64.rpm
kernel-headers-2.6.32-754.6.3.el6.ppc64.rpm
perf-2.6.32-754.6.3.el6.ppc64.rpm
perf-debuginfo-2.6.32-754.6.3.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.ppc64.rpm

s390x:
kernel-2.6.32-754.6.3.el6.s390x.rpm
kernel-debug-2.6.32-754.6.3.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.s390x.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.6.3.el6.s390x.rpm
kernel-devel-2.6.32-754.6.3.el6.s390x.rpm
kernel-headers-2.6.32-754.6.3.el6.s390x.rpm
kernel-kdump-2.6.32-754.6.3.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.6.3.el6.s390x.rpm
kernel-kdump-devel-2.6.32-754.6.3.el6.s390x.rpm
perf-2.6.32-754.6.3.el6.s390x.rpm
perf-debuginfo-2.6.32-754.6.3.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.s390x.rpm

x86_64:
kernel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.6.3.el6.x86_64.rpm
kernel-devel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-headers-2.6.32-754.6.3.el6.x86_64.rpm
perf-2.6.32-754.6.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

i386:
kernel-debug-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.6.3.el6.i686.rpm
perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
python-perf-2.6.32-754.6.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm

ppc64:
kernel-debug-debuginfo-2.6.32-754.6.3.el6.ppc64.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-754.6.3.el6.ppc64.rpm
perf-debuginfo-2.6.32-754.6.3.el6.ppc64.rpm
python-perf-2.6.32-754.6.3.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.ppc64.rpm

s390x:
kernel-debug-debuginfo-2.6.32-754.6.3.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.6.3.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.6.3.el6.s390x.rpm
perf-debuginfo-2.6.32-754.6.3.el6.s390x.rpm
python-perf-2.6.32-754.6.3.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.s390x.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.6.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
kernel-2.6.32-754.6.3.el6.src.rpm

i386:
kernel-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.6.3.el6.i686.rpm
kernel-devel-2.6.32-754.6.3.el6.i686.rpm
kernel-headers-2.6.32-754.6.3.el6.i686.rpm
perf-2.6.32-754.6.3.el6.i686.rpm
perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-754.6.3.el6.noarch.rpm
kernel-doc-2.6.32-754.6.3.el6.noarch.rpm
kernel-firmware-2.6.32-754.6.3.el6.noarch.rpm

x86_64:
kernel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.i686.rpm
kernel-debug-devel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.6.3.el6.x86_64.rpm
kernel-devel-2.6.32-754.6.3.el6.x86_64.rpm
kernel-headers-2.6.32-754.6.3.el6.x86_64.rpm
perf-2.6.32-754.6.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

i386:
kernel-debug-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.6.3.el6.i686.rpm
perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm
python-perf-2.6.32-754.6.3.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.6.3.el6.i686.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.6.3.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-2.6.32-754.6.3.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.6.3.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-2018-5391
https://access.redhat.com/security/cve/CVE-2018-14634
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/articles/3635371

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.
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