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[RHSA-2014:2030-01] Important: kernel security update

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Red Hat Security Advisory

 

Synopsis: Important: kernel security update

Advisory ID: RHSA-2014:2030-01

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-2030.html

Issue date: 2014-12-22

CVE Names: CVE-2014-9322

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

 

1. Summary:

 

Updated kernel packages that fix one security issue are now available for

Red Hat Enterprise Linux 6.4 Extended Update Support.

 

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

impact. A Common Vulnerability Scoring System (CVSS) base score, which

gives a detailed severity rating, is available from the CVE link in the

References section.

 

2. Relevant releases/architectures:

 

Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.4) - x86_64

Red Hat Enterprise Linux HPC Node EUS (v. 6.4) - noarch, x86_64

Red Hat Enterprise Linux Server EUS (v. 6.4) - i386, noarch, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional EUS (v. 6.4) - i386, ppc64, s390x, 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 handled GS segment register

base switching when recovering from a #SS (stack segment) fault on an

erroneous return to user space. A local, unprivileged user could use this

flaw to escalate their privileges on the system. (CVE-2014-9322, Important)

 

Red Hat would like to thank Andy Lutomirski for reporting this issue.

 

All kernel users are advised to upgrade to these updated packages, which

contain a backported patch to correct this issue. 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/):

 

1172806 - CVE-2014-9322 kernel: x86: local privesc due to bad_iret and paranoid entry incompatibility

 

6. Package List:

 

Red Hat Enterprise Linux HPC Node EUS (v. 6.4):

 

Source:

kernel-2.6.32-358.51.2.el6.src.rpm

 

noarch:

kernel-doc-2.6.32-358.51.2.el6.noarch.rpm

kernel-firmware-2.6.32-358.51.2.el6.noarch.rpm

 

x86_64:

kernel-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debug-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debug-devel-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-358.51.2.el6.x86_64.rpm

kernel-devel-2.6.32-358.51.2.el6.x86_64.rpm

kernel-headers-2.6.32-358.51.2.el6.x86_64.rpm

perf-2.6.32-358.51.2.el6.x86_64.rpm

perf-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

 

Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.4):

 

Source:

kernel-2.6.32-358.51.2.el6.src.rpm

 

x86_64:

kernel-debug-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-358.51.2.el6.x86_64.rpm

perf-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

python-perf-2.6.32-358.51.2.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

 

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

 

Source:

kernel-2.6.32-358.51.2.el6.src.rpm

 

i386:

kernel-2.6.32-358.51.2.el6.i686.rpm

kernel-debug-2.6.32-358.51.2.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-358.51.2.el6.i686.rpm

kernel-debug-devel-2.6.32-358.51.2.el6.i686.rpm

kernel-debuginfo-2.6.32-358.51.2.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-358.51.2.el6.i686.rpm

kernel-devel-2.6.32-358.51.2.el6.i686.rpm

kernel-headers-2.6.32-358.51.2.el6.i686.rpm

perf-2.6.32-358.51.2.el6.i686.rpm

perf-debuginfo-2.6.32-358.51.2.el6.i686.rpm

python-perf-debuginfo-2.6.32-358.51.2.el6.i686.rpm

 

noarch:

kernel-doc-2.6.32-358.51.2.el6.noarch.rpm

kernel-firmware-2.6.32-358.51.2.el6.noarch.rpm

 

ppc64:

kernel-2.6.32-358.51.2.el6.ppc64.rpm

kernel-bootwrapper-2.6.32-358.51.2.el6.ppc64.rpm

kernel-debug-2.6.32-358.51.2.el6.ppc64.rpm

kernel-debug-debuginfo-2.6.32-358.51.2.el6.ppc64.rpm

kernel-debug-devel-2.6.32-358.51.2.el6.ppc64.rpm

kernel-debuginfo-2.6.32-358.51.2.el6.ppc64.rpm

kernel-debuginfo-common-ppc64-2.6.32-358.51.2.el6.ppc64.rpm

kernel-devel-2.6.32-358.51.2.el6.ppc64.rpm

kernel-headers-2.6.32-358.51.2.el6.ppc64.rpm

perf-2.6.32-358.51.2.el6.ppc64.rpm

perf-debuginfo-2.6.32-358.51.2.el6.ppc64.rpm

python-perf-debuginfo-2.6.32-358.51.2.el6.ppc64.rpm

 

s390x:

kernel-2.6.32-358.51.2.el6.s390x.rpm

kernel-debug-2.6.32-358.51.2.el6.s390x.rpm

kernel-debug-debuginfo-2.6.32-358.51.2.el6.s390x.rpm

kernel-debug-devel-2.6.32-358.51.2.el6.s390x.rpm

kernel-debuginfo-2.6.32-358.51.2.el6.s390x.rpm

kernel-debuginfo-common-s390x-2.6.32-358.51.2.el6.s390x.rpm

kernel-devel-2.6.32-358.51.2.el6.s390x.rpm

kernel-headers-2.6.32-358.51.2.el6.s390x.rpm

kernel-kdump-2.6.32-358.51.2.el6.s390x.rpm

kernel-kdump-debuginfo-2.6.32-358.51.2.el6.s390x.rpm

kernel-kdump-devel-2.6.32-358.51.2.el6.s390x.rpm

perf-2.6.32-358.51.2.el6.s390x.rpm

perf-debuginfo-2.6.32-358.51.2.el6.s390x.rpm

python-perf-debuginfo-2.6.32-358.51.2.el6.s390x.rpm

 

x86_64:

kernel-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debug-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debug-devel-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-358.51.2.el6.x86_64.rpm

kernel-devel-2.6.32-358.51.2.el6.x86_64.rpm

kernel-headers-2.6.32-358.51.2.el6.x86_64.rpm

perf-2.6.32-358.51.2.el6.x86_64.rpm

perf-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

 

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

 

Source:

kernel-2.6.32-358.51.2.el6.src.rpm

 

i386:

kernel-debug-debuginfo-2.6.32-358.51.2.el6.i686.rpm

kernel-debuginfo-2.6.32-358.51.2.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-358.51.2.el6.i686.rpm

perf-debuginfo-2.6.32-358.51.2.el6.i686.rpm

python-perf-2.6.32-358.51.2.el6.i686.rpm

python-perf-debuginfo-2.6.32-358.51.2.el6.i686.rpm

 

ppc64:

kernel-debug-debuginfo-2.6.32-358.51.2.el6.ppc64.rpm

kernel-debuginfo-2.6.32-358.51.2.el6.ppc64.rpm

kernel-debuginfo-common-ppc64-2.6.32-358.51.2.el6.ppc64.rpm

perf-debuginfo-2.6.32-358.51.2.el6.ppc64.rpm

python-perf-2.6.32-358.51.2.el6.ppc64.rpm

python-perf-debuginfo-2.6.32-358.51.2.el6.ppc64.rpm

 

s390x:

kernel-debug-debuginfo-2.6.32-358.51.2.el6.s390x.rpm

kernel-debuginfo-2.6.32-358.51.2.el6.s390x.rpm

kernel-debuginfo-common-s390x-2.6.32-358.51.2.el6.s390x.rpm

kernel-kdump-debuginfo-2.6.32-358.51.2.el6.s390x.rpm

perf-debuginfo-2.6.32-358.51.2.el6.s390x.rpm

python-perf-2.6.32-358.51.2.el6.s390x.rpm

python-perf-debuginfo-2.6.32-358.51.2.el6.s390x.rpm

 

x86_64:

kernel-debug-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-358.51.2.el6.x86_64.rpm

perf-debuginfo-2.6.32-358.51.2.el6.x86_64.rpm

python-perf-2.6.32-358.51.2.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-358.51.2.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-2014-9322

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

 

8. Contact:

 

The Red Hat security contact is . More contact

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

 

Copyright 2014 Red Hat, Inc.

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