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[RHSA-2017:1372-01] Moderate: kernel security and bug fix update

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

Red Hat Security Advisory

 

Synopsis: Moderate: kernel security and bug fix update

Advisory ID: RHSA-2017:1372-01

Product: Red Hat Enterprise Linux

Advisory URL: https://access.redhat.com/errata/RHSA-2017:1372

Issue date: 2017-05-30

CVE Names: CVE-2017-6214

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

 

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 Moderate. 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 was found in the Linux kernel's handling of packets with the URG

flag. Applications using the splice() and tcp_splice_read() functionality

can allow a remote attacker to force the kernel to enter a condition in

which it can loop indefinitely. (CVE-2017-6214, Moderate)

 

Bug Fix(es):

 

* When executing certain Hadoop jobs, a kernel panic occasionally occurred

on multiple nodes of a cluster. This update fixes the kernel scheduler, and

the kernel panic no longer occurs under the described circumstances.

(BZ#1436241)

 

* Previously, memory leak of the struct cred data structure and related

data structures occasionally occurred. Consequently, system performance was

suboptimal with the symptoms of high I/O operations wait and small amount

of free memory. This update fixes the reference counter of the struct slab

cache to no longer cause imbalance between the calls to the get_cred()

function and the put_cred() function. As a result, the memory leak no

longer occurs under the described circumstances. (BZ#1443234)

 

* Previously, the be2net driver could not detect the link status properly

on IBM Power Systems. Consequently, the link status was always reported as

disconnected. With this update, be2net has been fixed, and the Network

Interface Cards (NICs) now report the link status correctly. (BZ#1442979)

 

* Previously, the RFF_ID and RFT_ID commands in the lpfc driver were issued

in an incorrect order. Consequently, users were not able to access Logical

Unit Numbers (LUNs). With this update, lpfc has been fixed to issue RFT_ID

before RFF_ID, which is the correct order. As a result, users can now

access LUNs as expected. (BZ#1439636)

 

* Previously, the kdump mechanism was trying to get the lock by the

vmalloc_sync_all() function during a kernel panic. Consequently, a deadlock

occurred, and the crashkernel did not boot. This update fixes the

vmalloc_sync_all() function to avoid synchronizing the vmalloc area on the

crashing CPU. As a result, the crashkernel parameter now boots as expected,

and the kernel dump is collected successfully under the described

circumstances. (BZ#1443499)

 

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/):

 

1426542 - CVE-2017-6214 kernel: ipv4/tcp: Infinite loop in tcp_splice_read()

 

6. Package List:

 

Red Hat Enterprise Linux Desktop (v. 6):

 

Source:

kernel-2.6.32-696.3.1.el6.src.rpm

 

i386:

kernel-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm

kernel-devel-2.6.32-696.3.1.el6.i686.rpm

kernel-headers-2.6.32-696.3.1.el6.i686.rpm

perf-2.6.32-696.3.1.el6.i686.rpm

perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

 

noarch:

kernel-abi-whitelists-2.6.32-696.3.1.el6.noarch.rpm

kernel-doc-2.6.32-696.3.1.el6.noarch.rpm

kernel-firmware-2.6.32-696.3.1.el6.noarch.rpm

 

x86_64:

kernel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm

kernel-devel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-headers-2.6.32-696.3.1.el6.x86_64.rpm

perf-2.6.32-696.3.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

 

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

 

i386:

kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm

perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

python-perf-2.6.32-696.3.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

 

x86_64:

kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

 

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

 

Source:

kernel-2.6.32-696.3.1.el6.src.rpm

 

noarch:

kernel-abi-whitelists-2.6.32-696.3.1.el6.noarch.rpm

kernel-doc-2.6.32-696.3.1.el6.noarch.rpm

kernel-firmware-2.6.32-696.3.1.el6.noarch.rpm

 

x86_64:

kernel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm

kernel-devel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-headers-2.6.32-696.3.1.el6.x86_64.rpm

perf-2.6.32-696.3.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

 

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

 

x86_64:

kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

 

Red Hat Enterprise Linux Server (v. 6):

 

Source:

kernel-2.6.32-696.3.1.el6.src.rpm

 

i386:

kernel-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm

kernel-devel-2.6.32-696.3.1.el6.i686.rpm

kernel-headers-2.6.32-696.3.1.el6.i686.rpm

perf-2.6.32-696.3.1.el6.i686.rpm

perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

 

noarch:

kernel-abi-whitelists-2.6.32-696.3.1.el6.noarch.rpm

kernel-doc-2.6.32-696.3.1.el6.noarch.rpm

kernel-firmware-2.6.32-696.3.1.el6.noarch.rpm

 

ppc64:

kernel-2.6.32-696.3.1.el6.ppc64.rpm

kernel-bootwrapper-2.6.32-696.3.1.el6.ppc64.rpm

kernel-debug-2.6.32-696.3.1.el6.ppc64.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.ppc64.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm

kernel-debuginfo-common-ppc64-2.6.32-696.3.1.el6.ppc64.rpm

kernel-devel-2.6.32-696.3.1.el6.ppc64.rpm

kernel-headers-2.6.32-696.3.1.el6.ppc64.rpm

perf-2.6.32-696.3.1.el6.ppc64.rpm

perf-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm

 

s390x:

kernel-2.6.32-696.3.1.el6.s390x.rpm

kernel-debug-2.6.32-696.3.1.el6.s390x.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.s390x.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.s390x.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.s390x.rpm

kernel-debuginfo-common-s390x-2.6.32-696.3.1.el6.s390x.rpm

kernel-devel-2.6.32-696.3.1.el6.s390x.rpm

kernel-headers-2.6.32-696.3.1.el6.s390x.rpm

kernel-kdump-2.6.32-696.3.1.el6.s390x.rpm

kernel-kdump-debuginfo-2.6.32-696.3.1.el6.s390x.rpm

kernel-kdump-devel-2.6.32-696.3.1.el6.s390x.rpm

perf-2.6.32-696.3.1.el6.s390x.rpm

perf-debuginfo-2.6.32-696.3.1.el6.s390x.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.s390x.rpm

 

x86_64:

kernel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm

kernel-devel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-headers-2.6.32-696.3.1.el6.x86_64.rpm

perf-2.6.32-696.3.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

 

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

 

i386:

kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm

perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

python-perf-2.6.32-696.3.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

 

ppc64:

kernel-debug-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm

kernel-debuginfo-common-ppc64-2.6.32-696.3.1.el6.ppc64.rpm

perf-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm

python-perf-2.6.32-696.3.1.el6.ppc64.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.ppc64.rpm

 

s390x:

kernel-debug-debuginfo-2.6.32-696.3.1.el6.s390x.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.s390x.rpm

kernel-debuginfo-common-s390x-2.6.32-696.3.1.el6.s390x.rpm

kernel-kdump-debuginfo-2.6.32-696.3.1.el6.s390x.rpm

perf-debuginfo-2.6.32-696.3.1.el6.s390x.rpm

python-perf-2.6.32-696.3.1.el6.s390x.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.s390x.rpm

 

x86_64:

kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

 

Red Hat Enterprise Linux Workstation (v. 6):

 

Source:

kernel-2.6.32-696.3.1.el6.src.rpm

 

i386:

kernel-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm

kernel-devel-2.6.32-696.3.1.el6.i686.rpm

kernel-headers-2.6.32-696.3.1.el6.i686.rpm

perf-2.6.32-696.3.1.el6.i686.rpm

perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

 

noarch:

kernel-abi-whitelists-2.6.32-696.3.1.el6.noarch.rpm

kernel-doc-2.6.32-696.3.1.el6.noarch.rpm

kernel-firmware-2.6.32-696.3.1.el6.noarch.rpm

 

x86_64:

kernel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.i686.rpm

kernel-debug-devel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm

kernel-devel-2.6.32-696.3.1.el6.x86_64.rpm

kernel-headers-2.6.32-696.3.1.el6.x86_64.rpm

perf-2.6.32-696.3.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

 

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

 

i386:

kernel-debug-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-696.3.1.el6.i686.rpm

perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

python-perf-2.6.32-696.3.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-696.3.1.el6.i686.rpm

 

x86_64:

kernel-debug-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-696.3.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-2.6.32-696.3.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-696.3.1.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-2017-6214

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

 

8. Contact:

 

The Red Hat security contact is . More contact

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

 

Copyright 2017 Red Hat, Inc.

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--

 

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