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[RHSA-2015:0284-03] 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-2015:0284-01

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0284.html

Issue date: 2015-03-03

CVE Names: CVE-2013-4483 CVE-2014-3185 CVE-2014-3611

CVE-2014-3645 CVE-2014-3646 CVE-2014-7841

CVE-2014-8160

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

 

1. Summary:

 

Updated kernel packages that fix multiple security issues and several bugs

are now available for Red Hat Enterprise Linux 6.5 Extended Update Support.

 

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 Compute Node Optional EUS (v. 6.5) - x86_64

Red Hat Enterprise Linux HPC Node EUS (v. 6.5) - noarch, x86_64

Red Hat Enterprise Linux Server EUS (v. 6.5) - i386, noarch, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional EUS (v. 6.5) - i386, ppc64, s390x, x86_64

 

3. Description:

 

The kernel packages contain the Linux kernel, the core of any Linux

operating system.

 

* A race condition flaw was found in the way the Linux kernel's KVM

subsystem handled PIT (Programmable Interval Timer) emulation. A guest user

who has access to the PIT I/O ports could use this flaw to crash the host.

(CVE-2014-3611, Important)

 

* 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)

 

* A flaw was found in the way the ipc_rcu_putref() function in the Linux

kernel's IPC implementation handled reference counter decrementing.

A local, unprivileged user could use this flaw to trigger an Out of Memory

(OOM) condition and, potentially, crash the system. (CVE-2013-4483,

Moderate)

 

* A memory corruption flaw was found in the way the USB ConnectTech

WhiteHEAT serial driver processed completion commands sent via USB Request

Blocks buffers. An attacker with physical access to the system could use

this flaw to crash the system or, potentially, escalate their privileges on

the system. (CVE-2014-3185, Moderate)

 

* It was found that the Linux kernel's KVM subsystem did not handle the VM

exits gracefully for the invept (Invalidate Translations Derived from EPT)

and invvpid (Invalidate Translations Based on VPID) instructions. On hosts

with an Intel processor and invept/invppid VM exit support, an unprivileged

guest user could use these instructions to crash the guest. (CVE-2014-3645,

CVE-2014-3646, Moderate)

 

* A flaw was found in the way the Linux kernel's netfilter subsystem

handled generic protocol tracking. As demonstrated in the Stream Control

Transmission Protocol (SCTP) case, a remote attacker could use this flaw to

bypass intended iptables rule restrictions when the associated connection

tracking module was not loaded on the system. (CVE-2014-8160, Moderate)

 

Red Hat would like to thank Lars Bull of Google for reporting

CVE-2014-3611, Vladimir Davydov (Parallels) for reporting CVE-2013-4483,

and the Advanced Threat Research team at Intel Security for reporting

CVE-2014-3645 and CVE-2014-3646. The CVE-2014-7841 issue was discovered by

Liu Wei of Red Hat.

 

Bug fixes:

 

* When forwarding a packet, the iptables target TCPOPTSTRIP used the

tcp_hdr() function to locate the option space. Consequently, TCPOPTSTRIP

located the incorrect place in the packet, and therefore did not match

options for stripping. TCPOPTSTRIP now uses the TCP header itself to locate

the option space, and the options are now properly stripped. (BZ#1172026)

 

* The ipset utility computed incorrect values of timeouts from an old IP

set, and these values were then supplied to a new IP set. A resize on an IP

set with a timeouts option enabled could then supply corrupted data from an

old IP set. This bug has been fixed by properly reading timeout values from

an old set before supplying them to a new set. (BZ#1172763)

 

* Incorrect processing of errors from the BCM5719 LAN controller could

result in incoming packets being dropped. Now, received errors are handled

properly, and incoming packets are no longer randomly dropped. (BZ#1180405)

 

* When the NVMe driver allocated a name-space queue, it was recognized as a

request-based driver, whereas it was a BIO-based driver. While trying to

access data during the loading of NVMe along with a request-based DM

device, the system could terminate unexpectedly or become unresponsive.

Now, NVMe does not set the QUEUE_FLAG_STACKABLE flag during the allocation

of a name-space queue, and the system no longer attempts to insert a

request into the queue, preventing a crash. (BZ#1180554)

 

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.

 

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

 

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

 

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

 

1024854 - CVE-2013-4483 kernel: ipc: ipc_rcu_putref refcount races

1141400 - CVE-2014-3185 Kernel: USB serial: memory corruption flaw

1144825 - CVE-2014-3646 kernel: kvm: vmx: invvpid vm exit not handled

1144835 - CVE-2014-3645 kernel: kvm: vmx: invept vm exit not handled

1144878 - CVE-2014-3611 kernel: kvm: PIT timer race condition

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

1182059 - CVE-2014-8160 kernel: iptables restriction bypass if a protocol handler kernel module not loaded

 

6. Package List:

 

Red Hat Enterprise Linux HPC Node EUS (v. 6.5):

 

Source:

kernel-2.6.32-431.50.1.el6.src.rpm

 

noarch:

kernel-abi-whitelists-2.6.32-431.50.1.el6.noarch.rpm

kernel-doc-2.6.32-431.50.1.el6.noarch.rpm

kernel-firmware-2.6.32-431.50.1.el6.noarch.rpm

 

x86_64:

kernel-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debug-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debug-devel-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-431.50.1.el6.x86_64.rpm

kernel-devel-2.6.32-431.50.1.el6.x86_64.rpm

kernel-headers-2.6.32-431.50.1.el6.x86_64.rpm

perf-2.6.32-431.50.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

 

Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.5):

 

Source:

kernel-2.6.32-431.50.1.el6.src.rpm

 

x86_64:

kernel-debug-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-431.50.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

python-perf-2.6.32-431.50.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

 

Red Hat Enterprise Linux Server EUS (v. 6.5):

 

Source:

kernel-2.6.32-431.50.1.el6.src.rpm

 

i386:

kernel-2.6.32-431.50.1.el6.i686.rpm

kernel-debug-2.6.32-431.50.1.el6.i686.rpm

kernel-debug-debuginfo-2.6.32-431.50.1.el6.i686.rpm

kernel-debug-devel-2.6.32-431.50.1.el6.i686.rpm

kernel-debuginfo-2.6.32-431.50.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-431.50.1.el6.i686.rpm

kernel-devel-2.6.32-431.50.1.el6.i686.rpm

kernel-headers-2.6.32-431.50.1.el6.i686.rpm

perf-2.6.32-431.50.1.el6.i686.rpm

perf-debuginfo-2.6.32-431.50.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-431.50.1.el6.i686.rpm

 

noarch:

kernel-abi-whitelists-2.6.32-431.50.1.el6.noarch.rpm

kernel-doc-2.6.32-431.50.1.el6.noarch.rpm

kernel-firmware-2.6.32-431.50.1.el6.noarch.rpm

 

ppc64:

kernel-2.6.32-431.50.1.el6.ppc64.rpm

kernel-bootwrapper-2.6.32-431.50.1.el6.ppc64.rpm

kernel-debug-2.6.32-431.50.1.el6.ppc64.rpm

kernel-debug-debuginfo-2.6.32-431.50.1.el6.ppc64.rpm

kernel-debug-devel-2.6.32-431.50.1.el6.ppc64.rpm

kernel-debuginfo-2.6.32-431.50.1.el6.ppc64.rpm

kernel-debuginfo-common-ppc64-2.6.32-431.50.1.el6.ppc64.rpm

kernel-devel-2.6.32-431.50.1.el6.ppc64.rpm

kernel-headers-2.6.32-431.50.1.el6.ppc64.rpm

perf-2.6.32-431.50.1.el6.ppc64.rpm

perf-debuginfo-2.6.32-431.50.1.el6.ppc64.rpm

python-perf-debuginfo-2.6.32-431.50.1.el6.ppc64.rpm

 

s390x:

kernel-2.6.32-431.50.1.el6.s390x.rpm

kernel-debug-2.6.32-431.50.1.el6.s390x.rpm

kernel-debug-debuginfo-2.6.32-431.50.1.el6.s390x.rpm

kernel-debug-devel-2.6.32-431.50.1.el6.s390x.rpm

kernel-debuginfo-2.6.32-431.50.1.el6.s390x.rpm

kernel-debuginfo-common-s390x-2.6.32-431.50.1.el6.s390x.rpm

kernel-devel-2.6.32-431.50.1.el6.s390x.rpm

kernel-headers-2.6.32-431.50.1.el6.s390x.rpm

kernel-kdump-2.6.32-431.50.1.el6.s390x.rpm

kernel-kdump-debuginfo-2.6.32-431.50.1.el6.s390x.rpm

kernel-kdump-devel-2.6.32-431.50.1.el6.s390x.rpm

perf-2.6.32-431.50.1.el6.s390x.rpm

perf-debuginfo-2.6.32-431.50.1.el6.s390x.rpm

python-perf-debuginfo-2.6.32-431.50.1.el6.s390x.rpm

 

x86_64:

kernel-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debug-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debug-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debug-devel-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-431.50.1.el6.x86_64.rpm

kernel-devel-2.6.32-431.50.1.el6.x86_64.rpm

kernel-headers-2.6.32-431.50.1.el6.x86_64.rpm

perf-2.6.32-431.50.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

 

Red Hat Enterprise Linux Server Optional EUS (v. 6.5):

 

Source:

kernel-2.6.32-431.50.1.el6.src.rpm

 

i386:

kernel-debug-debuginfo-2.6.32-431.50.1.el6.i686.rpm

kernel-debuginfo-2.6.32-431.50.1.el6.i686.rpm

kernel-debuginfo-common-i686-2.6.32-431.50.1.el6.i686.rpm

perf-debuginfo-2.6.32-431.50.1.el6.i686.rpm

python-perf-2.6.32-431.50.1.el6.i686.rpm

python-perf-debuginfo-2.6.32-431.50.1.el6.i686.rpm

 

ppc64:

kernel-debug-debuginfo-2.6.32-431.50.1.el6.ppc64.rpm

kernel-debuginfo-2.6.32-431.50.1.el6.ppc64.rpm

kernel-debuginfo-common-ppc64-2.6.32-431.50.1.el6.ppc64.rpm

perf-debuginfo-2.6.32-431.50.1.el6.ppc64.rpm

python-perf-2.6.32-431.50.1.el6.ppc64.rpm

python-perf-debuginfo-2.6.32-431.50.1.el6.ppc64.rpm

 

s390x:

kernel-debug-debuginfo-2.6.32-431.50.1.el6.s390x.rpm

kernel-debuginfo-2.6.32-431.50.1.el6.s390x.rpm

kernel-debuginfo-common-s390x-2.6.32-431.50.1.el6.s390x.rpm

kernel-kdump-debuginfo-2.6.32-431.50.1.el6.s390x.rpm

perf-debuginfo-2.6.32-431.50.1.el6.s390x.rpm

python-perf-2.6.32-431.50.1.el6.s390x.rpm

python-perf-debuginfo-2.6.32-431.50.1.el6.s390x.rpm

 

x86_64:

kernel-debug-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

kernel-debuginfo-common-x86_64-2.6.32-431.50.1.el6.x86_64.rpm

perf-debuginfo-2.6.32-431.50.1.el6.x86_64.rpm

python-perf-2.6.32-431.50.1.el6.x86_64.rpm

python-perf-debuginfo-2.6.32-431.50.1.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-2013-4483

https://access.redhat.com/security/cve/CVE-2014-3185

https://access.redhat.com/security/cve/CVE-2014-3611

https://access.redhat.com/security/cve/CVE-2014-3645

https://access.redhat.com/security/cve/CVE-2014-3646

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

https://access.redhat.com/security/cve/CVE-2014-8160

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 2015 Red Hat, Inc.

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