Updated kernel packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Important security

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

Synopsis:          Important: kernel security, bug fix, and enhancement update
Advisory ID:       RHSA-2015:1081-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2015:1081.html
Issue date:        2015-06-09
CVE Names:         CVE-2014-9419 CVE-2014-9420 CVE-2014-9585 
                   CVE-2015-1805 CVE-2015-3331 
====================================================================
1. Summary:

Updated kernel packages that fix multiple security issues, several bugs,
and add various enhancements 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.

* It was found that the Linux kernel's implementation of vectored pipe read
and write functionality did not take into account the I/O vectors that were
already processed when retrying after a failed atomic access operation,
potentially resulting in memory corruption due to an I/O vector array
overrun. A local, unprivileged user could use this flaw to crash the system
or, potentially, escalate their privileges on the system. (CVE-2015-1805,
Important)

* A buffer overflow flaw was found in the way the Linux kernel's Intel
AES-NI instructions optimized version of the RFC4106 GCM mode decryption
functionality handled fragmented packets. A remote attacker could use this
flaw to crash, or potentially escalate their privileges on, a system over a
connection with an active AES-GCM mode IPSec security association.
(CVE-2015-3331, Important)

* An information leak flaw was found in the way the Linux kernel changed
certain segment registers and thread-local storage (TLS) during a context
switch. A local, unprivileged user could use this flaw to leak the user
space TLS base address of an arbitrary process. (CVE-2014-9419, Low)

* It was found that the Linux kernel's ISO file system implementation did
not correctly limit the traversal of Rock Ridge extension Continuation
Entries (CE). An attacker with physical access to the system could use this
flaw to trigger an infinite loop in the kernel, resulting in a denial of
service. (CVE-2014-9420, Low)

* An information leak flaw was found in the way the Linux kernel's Virtual
Dynamic Shared Object (vDSO) implementation performed address
randomization. A local, unprivileged user could use this flaw to leak
kernel memory addresses to user-space. (CVE-2014-9585, Low)

Red Hat would like to thank Carl Henrik Lunde for reporting 
CVE-2014-9420. The security impact of the CVE-2015-1805 issue was 
discovered by Red Hat.

This update also fixes several bugs and adds various enhancements.
Documentation for these changes is available 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 and add these
enhancements. 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.

For details on how to apply this update, refer to:

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

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

1175235 - CVE-2014-9420 Kernel: fs: isofs: infinite loop in CE record entries
1177260 - CVE-2014-9419 kernel: partial ASLR bypass through TLS base addresses leak
1181054 - CVE-2014-9585 kernel: ASLR bruteforce possible for vdso library
1202855 - CVE-2015-1805 kernel: pipe: iovec overrun leading to memory corruption
1213322 - CVE-2015-3331 Kernel: crypto: buffer overruns in RFC4106 implementation using AESNI

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
kernel-2.6.32-504.23.4.el6.src.rpm

i386:
kernel-2.6.32-504.23.4.el6.i686.rpm
kernel-debug-2.6.32-504.23.4.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debug-devel-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-504.23.4.el6.i686.rpm
kernel-devel-2.6.32-504.23.4.el6.i686.rpm
kernel-headers-2.6.32-504.23.4.el6.i686.rpm
perf-2.6.32-504.23.4.el6.i686.rpm
perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-504.23.4.el6.noarch.rpm
kernel-doc-2.6.32-504.23.4.el6.noarch.rpm
kernel-firmware-2.6.32-504.23.4.el6.noarch.rpm

x86_64:
kernel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-devel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.23.4.el6.x86_64.rpm
kernel-devel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-headers-2.6.32-504.23.4.el6.x86_64.rpm
perf-2.6.32-504.23.4.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm

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

i386:
kernel-debug-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-504.23.4.el6.i686.rpm
perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm
python-perf-2.6.32-504.23.4.el6.i686.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.23.4.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm

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

Source:
kernel-2.6.32-504.23.4.el6.src.rpm

noarch:
kernel-abi-whitelists-2.6.32-504.23.4.el6.noarch.rpm
kernel-doc-2.6.32-504.23.4.el6.noarch.rpm
kernel-firmware-2.6.32-504.23.4.el6.noarch.rpm

x86_64:
kernel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-devel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.23.4.el6.x86_64.rpm
kernel-devel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-headers-2.6.32-504.23.4.el6.x86_64.rpm
perf-2.6.32-504.23.4.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm

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

x86_64:
kernel-debug-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.23.4.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
kernel-2.6.32-504.23.4.el6.src.rpm

i386:
kernel-2.6.32-504.23.4.el6.i686.rpm
kernel-debug-2.6.32-504.23.4.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debug-devel-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-504.23.4.el6.i686.rpm
kernel-devel-2.6.32-504.23.4.el6.i686.rpm
kernel-headers-2.6.32-504.23.4.el6.i686.rpm
perf-2.6.32-504.23.4.el6.i686.rpm
perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-504.23.4.el6.noarch.rpm
kernel-doc-2.6.32-504.23.4.el6.noarch.rpm
kernel-firmware-2.6.32-504.23.4.el6.noarch.rpm

ppc64:
kernel-2.6.32-504.23.4.el6.ppc64.rpm
kernel-bootwrapper-2.6.32-504.23.4.el6.ppc64.rpm
kernel-debug-2.6.32-504.23.4.el6.ppc64.rpm
kernel-debug-debuginfo-2.6.32-504.23.4.el6.ppc64.rpm
kernel-debug-devel-2.6.32-504.23.4.el6.ppc64.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-504.23.4.el6.ppc64.rpm
kernel-devel-2.6.32-504.23.4.el6.ppc64.rpm
kernel-headers-2.6.32-504.23.4.el6.ppc64.rpm
perf-2.6.32-504.23.4.el6.ppc64.rpm
perf-debuginfo-2.6.32-504.23.4.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.ppc64.rpm

s390x:
kernel-2.6.32-504.23.4.el6.s390x.rpm
kernel-debug-2.6.32-504.23.4.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-504.23.4.el6.s390x.rpm
kernel-debug-devel-2.6.32-504.23.4.el6.s390x.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-504.23.4.el6.s390x.rpm
kernel-devel-2.6.32-504.23.4.el6.s390x.rpm
kernel-headers-2.6.32-504.23.4.el6.s390x.rpm
kernel-kdump-2.6.32-504.23.4.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-504.23.4.el6.s390x.rpm
kernel-kdump-devel-2.6.32-504.23.4.el6.s390x.rpm
perf-2.6.32-504.23.4.el6.s390x.rpm
perf-debuginfo-2.6.32-504.23.4.el6.s390x.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.s390x.rpm

x86_64:
kernel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-devel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.23.4.el6.x86_64.rpm
kernel-devel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-headers-2.6.32-504.23.4.el6.x86_64.rpm
perf-2.6.32-504.23.4.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm

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

i386:
kernel-debug-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-504.23.4.el6.i686.rpm
perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm
python-perf-2.6.32-504.23.4.el6.i686.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm

ppc64:
kernel-debug-debuginfo-2.6.32-504.23.4.el6.ppc64.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-504.23.4.el6.ppc64.rpm
perf-debuginfo-2.6.32-504.23.4.el6.ppc64.rpm
python-perf-2.6.32-504.23.4.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.ppc64.rpm

s390x:
kernel-debug-debuginfo-2.6.32-504.23.4.el6.s390x.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-504.23.4.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-504.23.4.el6.s390x.rpm
perf-debuginfo-2.6.32-504.23.4.el6.s390x.rpm
python-perf-2.6.32-504.23.4.el6.s390x.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.s390x.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.23.4.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
kernel-2.6.32-504.23.4.el6.src.rpm

i386:
kernel-2.6.32-504.23.4.el6.i686.rpm
kernel-debug-2.6.32-504.23.4.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debug-devel-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-504.23.4.el6.i686.rpm
kernel-devel-2.6.32-504.23.4.el6.i686.rpm
kernel-headers-2.6.32-504.23.4.el6.i686.rpm
perf-2.6.32-504.23.4.el6.i686.rpm
perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-504.23.4.el6.noarch.rpm
kernel-doc-2.6.32-504.23.4.el6.noarch.rpm
kernel-firmware-2.6.32-504.23.4.el6.noarch.rpm

x86_64:
kernel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debug-devel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.23.4.el6.x86_64.rpm
kernel-devel-2.6.32-504.23.4.el6.x86_64.rpm
kernel-headers-2.6.32-504.23.4.el6.x86_64.rpm
perf-2.6.32-504.23.4.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm

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

i386:
kernel-debug-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-504.23.4.el6.i686.rpm
perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm
python-perf-2.6.32-504.23.4.el6.i686.rpm
python-perf-debuginfo-2.6.32-504.23.4.el6.i686.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.23.4.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-2.6.32-504.23.4.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.23.4.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-2014-9419
https://access.redhat.com/security/cve/CVE-2014-9420
https://access.redhat.com/security/cve/CVE-2014-9585
https://access.redhat.com/security/cve/CVE-2015-1805
https://access.redhat.com/security/cve/CVE-2015-3331
https://access.redhat.com/security/updates/classification#important
https://docs.redhat.com/en/documentation/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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