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[RHSA-2015:0087-01] 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-2015:0087-01

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0087.html

Issue date: 2015-01-27

CVE Names: CVE-2014-4656 CVE-2014-7841

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

 

1. Summary:

 

Updated kernel packages that fix two security issues and several bugs are

now available for Red Hat Enterprise Linux 6.

 

Red Hat Product Security has rated this update as having Important security

impact. Common Vulnerability Scoring System (CVSS) base scores, which give

detailed severity ratings, are available for each vulnerability from the

CVE links 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.

 

* A flaw was found in the way the Linux kernel's SCTP implementation

validated INIT chunks when performing Address Configuration Change

(ASCONF). A remote attacker could use this flaw to crash the system by

sending a specially crafted SCTP packet to trigger a NULL pointer

dereference on the system. (CVE-2014-7841, Important)

 

* An integer overflow flaw was found in the way the Linux kernel's Advanced

Linux Sound Architecture (ALSA) implementation handled user controls.

A local, privileged user could use this flaw to crash the system.

(CVE-2014-4656, Moderate)

 

The CVE-2014-7841 issue was discovered by Liu Wei of Red Hat.

 

This update also fixes several bugs. Documentation for these changes will

be available shortly from the Technical Notes document linked to in the

References section.

 

All kernel users are advised to 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 all previously released errata

relevant to your system have been applied.

 

This update is available via the Red Hat Network. Details on how to use the

Red Hat Network to apply this update are available at

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

 

To install kernel packages manually, use "rpm -ivh [package]". Do not use

"rpm -Uvh" as that will remove the running kernel binaries from your

system. You may use "rpm -e" to remove old kernels after determining that

the new kernel functions properly on your system.

 

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

 

1113470 - CVE-2014-4656 Kernel: ALSA: control: integer overflow in id.index & id.numid

1163087 - CVE-2014-7841 kernel: net: sctp: NULL pointer dereference in af->from_addr_param on malformed packet

 

6. Package List:

 

Red Hat Enterprise Linux Desktop (v. 6):

 

Source:

kernel-2.6.32-504.8.1.el6.src.rpm

 

i386:

kernel-2.6.32-504.8.1.el6.i686.rpm

kernel-debug-2.6.32-504.8.1.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debug-devel-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-504.8.1.el6.i686.rpm

kernel-devel-2.6.32-504.8.1.el6.i686.rpm

kernel-headers-2.6.32-504.8.1.el6.i686.rpm

perf-2.6.32-504.8.1.el6.i686.rpm

perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

 

noarch:

kernel-abi-whitelists-2.6.32-504.8.1.el6.noarch.rpm

kernel-doc-2.6.32-504.8.1.el6.noarch.rpm

kernel-firmware-2.6.32-504.8.1.el6.noarch.rpm

 

x86_64:

kernel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-devel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-504.8.1.el6.x86_64.rpm

kernel-devel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-headers-2.6.32-504.8.1.el6.x86_64.rpm

perf-2.6.32-504.8.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

 

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

 

i386:

kernel-debug-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-504.8.1.el6.i686.rpm

perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

python-perf-2.6.32-504.8.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

 

x86_64:

kernel-debug-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-504.8.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

 

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

 

Source:

kernel-2.6.32-504.8.1.el6.src.rpm

 

noarch:

kernel-abi-whitelists-2.6.32-504.8.1.el6.noarch.rpm

kernel-doc-2.6.32-504.8.1.el6.noarch.rpm

kernel-firmware-2.6.32-504.8.1.el6.noarch.rpm

 

x86_64:

kernel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-devel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-504.8.1.el6.x86_64.rpm

kernel-devel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-headers-2.6.32-504.8.1.el6.x86_64.rpm

perf-2.6.32-504.8.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

 

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

 

x86_64:

kernel-debug-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-504.8.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

 

Red Hat Enterprise Linux Server (v. 6):

 

Source:

kernel-2.6.32-504.8.1.el6.src.rpm

 

i386:

kernel-2.6.32-504.8.1.el6.i686.rpm

kernel-debug-2.6.32-504.8.1.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debug-devel-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-504.8.1.el6.i686.rpm

kernel-devel-2.6.32-504.8.1.el6.i686.rpm

kernel-headers-2.6.32-504.8.1.el6.i686.rpm

perf-2.6.32-504.8.1.el6.i686.rpm

perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

 

noarch:

kernel-abi-whitelists-2.6.32-504.8.1.el6.noarch.rpm

kernel-doc-2.6.32-504.8.1.el6.noarch.rpm

kernel-firmware-2.6.32-504.8.1.el6.noarch.rpm

 

ppc64:

kernel-2.6.32-504.8.1.el6.ppc64.rpm

kernel-bootwrapper-2.6.32-504.8.1.el6.ppc64.rpm

kernel-debug-2.6.32-504.8.1.el6.ppc64.rpm

kernel-debug-debuginfo-2.6.32-504.8.1.el6.ppc64.rpm

kernel-debug-devel-2.6.32-504.8.1.el6.ppc64.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.ppc64.rpm

kernel-debuginfo-common-ppc64-2.6.32-504.8.1.el6.ppc64.rpm

kernel-devel-2.6.32-504.8.1.el6.ppc64.rpm

kernel-headers-2.6.32-504.8.1.el6.ppc64.rpm

perf-2.6.32-504.8.1.el6.ppc64.rpm

perf-debuginfo-2.6.32-504.8.1.el6.ppc64.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.ppc64.rpm

 

s390x:

kernel-2.6.32-504.8.1.el6.s390x.rpm

kernel-debug-2.6.32-504.8.1.el6.s390x.rpm

kernel-debug-debuginfo-2.6.32-504.8.1.el6.s390x.rpm

kernel-debug-devel-2.6.32-504.8.1.el6.s390x.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.s390x.rpm

kernel-debuginfo-common-s390x-2.6.32-504.8.1.el6.s390x.rpm

kernel-devel-2.6.32-504.8.1.el6.s390x.rpm

kernel-headers-2.6.32-504.8.1.el6.s390x.rpm

kernel-kdump-2.6.32-504.8.1.el6.s390x.rpm

kernel-kdump-debuginfo-2.6.32-504.8.1.el6.s390x.rpm

kernel-kdump-devel-2.6.32-504.8.1.el6.s390x.rpm

perf-2.6.32-504.8.1.el6.s390x.rpm

perf-debuginfo-2.6.32-504.8.1.el6.s390x.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.s390x.rpm

 

x86_64:

kernel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-devel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-504.8.1.el6.x86_64.rpm

kernel-devel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-headers-2.6.32-504.8.1.el6.x86_64.rpm

perf-2.6.32-504.8.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

 

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

 

i386:

kernel-debug-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-504.8.1.el6.i686.rpm

perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

python-perf-2.6.32-504.8.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

 

ppc64:

kernel-debug-debuginfo-2.6.32-504.8.1.el6.ppc64.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.ppc64.rpm

kernel-debuginfo-common-ppc64-2.6.32-504.8.1.el6.ppc64.rpm

perf-debuginfo-2.6.32-504.8.1.el6.ppc64.rpm

python-perf-2.6.32-504.8.1.el6.ppc64.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.ppc64.rpm

 

s390x:

kernel-debug-debuginfo-2.6.32-504.8.1.el6.s390x.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.s390x.rpm

kernel-debuginfo-common-s390x-2.6.32-504.8.1.el6.s390x.rpm

kernel-kdump-debuginfo-2.6.32-504.8.1.el6.s390x.rpm

perf-debuginfo-2.6.32-504.8.1.el6.s390x.rpm

python-perf-2.6.32-504.8.1.el6.s390x.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.s390x.rpm

 

x86_64:

kernel-debug-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-504.8.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

 

Red Hat Enterprise Linux Workstation (v. 6):

 

Source:

kernel-2.6.32-504.8.1.el6.src.rpm

 

i386:

kernel-2.6.32-504.8.1.el6.i686.rpm

kernel-debug-2.6.32-504.8.1.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debug-devel-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-504.8.1.el6.i686.rpm

kernel-devel-2.6.32-504.8.1.el6.i686.rpm

kernel-headers-2.6.32-504.8.1.el6.i686.rpm

perf-2.6.32-504.8.1.el6.i686.rpm

perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

 

noarch:

kernel-abi-whitelists-2.6.32-504.8.1.el6.noarch.rpm

kernel-doc-2.6.32-504.8.1.el6.noarch.rpm

kernel-firmware-2.6.32-504.8.1.el6.noarch.rpm

 

x86_64:

kernel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debug-devel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-504.8.1.el6.x86_64.rpm

kernel-devel-2.6.32-504.8.1.el6.x86_64.rpm

kernel-headers-2.6.32-504.8.1.el6.x86_64.rpm

perf-2.6.32-504.8.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

 

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

 

i386:

kernel-debug-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-504.8.1.el6.i686.rpm

perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

python-perf-2.6.32-504.8.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-504.8.1.el6.i686.rpm

 

x86_64:

kernel-debug-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-504.8.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-2.6.32-504.8.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-504.8.1.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-2014-4656

https://access.redhat.com/security/cve/CVE-2014-7841

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.6_Technical_Notes/kernel.html

 

8. Contact:

 

The Red Hat security contact is . More contact

details at https://access.redhat.com/security/team/contact/

 

Copyright 2015 Red Hat, Inc.

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