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Red Hat Security Advisory 2014-0328-01

Red Hat Security Advisory 2014-0328-01
Posted Mar 25, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0328-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the get_rx_bufs() function in the vhost_net implementation in the Linux kernel handled error conditions reported by the vhost_get_vq_desc() function. A privileged guest user could use this flaw to crash the host. A flaw was found in the way the Linux kernel processed an authenticated COOKIE_ECHO chunk during the initialization of an SCTP connection. A remote attacker could use this flaw to crash the system by initiating a specially crafted SCTP handshake in order to trigger a NULL pointer dereference on the system.

tags | advisory, remote, kernel
systems | linux, redhat
advisories | CVE-2013-1860, CVE-2014-0055, CVE-2014-0069, CVE-2014-0101
SHA-256 | 89d9790834be4c375db2c9b80b34a6a4d366543a7220b333921532be2e3a6db5
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Red Hat Security Advisory 2014-0328-01

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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2014:0328-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2014-0328.html
Issue date:        2014-03-25
CVE Names:         CVE-2013-1860 CVE-2014-0055 CVE-2014-0069 
                   CVE-2014-0101 
=====================================================================

1. Summary:

Updated kernel packages that fix multiple security issues and several bugs
are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team 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 get_rx_bufs() function in the vhost_net
implementation in the Linux kernel handled error conditions reported by the
vhost_get_vq_desc() function. A privileged guest user could use this flaw
to crash the host. (CVE-2014-0055, Important)

* A flaw was found in the way the Linux kernel processed an authenticated
COOKIE_ECHO chunk during the initialization of an SCTP connection. A remote
attacker could use this flaw to crash the system by initiating a specially
crafted SCTP handshake in order to trigger a NULL pointer dereference on
the system. (CVE-2014-0101, Important)

* A flaw was found in the way the Linux kernel's CIFS implementation
handled uncached write operations with specially crafted iovec structures.
An unprivileged local user with access to a CIFS share could use this flaw
to crash the system, leak kernel memory, or, potentially, escalate their
privileges on the system. Note: the default cache settings for CIFS mounts
on Red Hat Enterprise Linux 6 prohibit a successful exploitation of this
issue. (CVE-2014-0069, Moderate)

* A heap-based buffer overflow flaw was found in the Linux kernel's cdc-wdm
driver, used for USB CDC WCM device management. An attacker with physical
access to a system could use this flaw to cause a denial of service or,
potentially, escalate their privileges. (CVE-2013-1860, Low)

Red Hat would like to thank Nokia Siemens Networks for reporting
CVE-2014-0101, and Al Viro for reporting CVE-2014-0069.

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/site/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/):

921970 - CVE-2013-1860 kernel: usb: cdc-wdm buffer overflow triggered by device
1062577 - CVE-2014-0055 kernel: vhost-net: insufficient handling of error conditions in get_rx_bufs()
1064253 - CVE-2014-0069 kernel: cifs: incorrect handling of bogus user pointers during uncached writes
1070705 - CVE-2014-0101 kernel: net: sctp: null pointer dereference when processing authenticated cookie_echo chunk

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/kernel-2.6.32-431.11.2.el6.src.rpm

i386:
kernel-2.6.32-431.11.2.el6.i686.rpm
kernel-debug-2.6.32-431.11.2.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debug-devel-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-431.11.2.el6.i686.rpm
kernel-devel-2.6.32-431.11.2.el6.i686.rpm
kernel-headers-2.6.32-431.11.2.el6.i686.rpm
perf-2.6.32-431.11.2.el6.i686.rpm
perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-431.11.2.el6.noarch.rpm
kernel-doc-2.6.32-431.11.2.el6.noarch.rpm
kernel-firmware-2.6.32-431.11.2.el6.noarch.rpm

x86_64:
kernel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-431.11.2.el6.x86_64.rpm
kernel-devel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-headers-2.6.32-431.11.2.el6.x86_64.rpm
perf-2.6.32-431.11.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/kernel-2.6.32-431.11.2.el6.src.rpm

i386:
kernel-debug-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-431.11.2.el6.i686.rpm
perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm
python-perf-2.6.32-431.11.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-431.11.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/kernel-2.6.32-431.11.2.el6.src.rpm

noarch:
kernel-abi-whitelists-2.6.32-431.11.2.el6.noarch.rpm
kernel-doc-2.6.32-431.11.2.el6.noarch.rpm
kernel-firmware-2.6.32-431.11.2.el6.noarch.rpm

x86_64:
kernel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-431.11.2.el6.x86_64.rpm
kernel-devel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-headers-2.6.32-431.11.2.el6.x86_64.rpm
perf-2.6.32-431.11.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/kernel-2.6.32-431.11.2.el6.src.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-431.11.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/kernel-2.6.32-431.11.2.el6.src.rpm

i386:
kernel-2.6.32-431.11.2.el6.i686.rpm
kernel-debug-2.6.32-431.11.2.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debug-devel-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-431.11.2.el6.i686.rpm
kernel-devel-2.6.32-431.11.2.el6.i686.rpm
kernel-headers-2.6.32-431.11.2.el6.i686.rpm
perf-2.6.32-431.11.2.el6.i686.rpm
perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-431.11.2.el6.noarch.rpm
kernel-doc-2.6.32-431.11.2.el6.noarch.rpm
kernel-firmware-2.6.32-431.11.2.el6.noarch.rpm

ppc64:
kernel-2.6.32-431.11.2.el6.ppc64.rpm
kernel-bootwrapper-2.6.32-431.11.2.el6.ppc64.rpm
kernel-debug-2.6.32-431.11.2.el6.ppc64.rpm
kernel-debug-debuginfo-2.6.32-431.11.2.el6.ppc64.rpm
kernel-debug-devel-2.6.32-431.11.2.el6.ppc64.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-431.11.2.el6.ppc64.rpm
kernel-devel-2.6.32-431.11.2.el6.ppc64.rpm
kernel-headers-2.6.32-431.11.2.el6.ppc64.rpm
perf-2.6.32-431.11.2.el6.ppc64.rpm
perf-debuginfo-2.6.32-431.11.2.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.ppc64.rpm

s390x:
kernel-2.6.32-431.11.2.el6.s390x.rpm
kernel-debug-2.6.32-431.11.2.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-431.11.2.el6.s390x.rpm
kernel-debug-devel-2.6.32-431.11.2.el6.s390x.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-431.11.2.el6.s390x.rpm
kernel-devel-2.6.32-431.11.2.el6.s390x.rpm
kernel-headers-2.6.32-431.11.2.el6.s390x.rpm
kernel-kdump-2.6.32-431.11.2.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-431.11.2.el6.s390x.rpm
kernel-kdump-devel-2.6.32-431.11.2.el6.s390x.rpm
perf-2.6.32-431.11.2.el6.s390x.rpm
perf-debuginfo-2.6.32-431.11.2.el6.s390x.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.s390x.rpm

x86_64:
kernel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-431.11.2.el6.x86_64.rpm
kernel-devel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-headers-2.6.32-431.11.2.el6.x86_64.rpm
perf-2.6.32-431.11.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/kernel-2.6.32-431.11.2.el6.src.rpm

i386:
kernel-debug-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-431.11.2.el6.i686.rpm
perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm
python-perf-2.6.32-431.11.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm

ppc64:
kernel-debug-debuginfo-2.6.32-431.11.2.el6.ppc64.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-431.11.2.el6.ppc64.rpm
perf-debuginfo-2.6.32-431.11.2.el6.ppc64.rpm
python-perf-2.6.32-431.11.2.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.ppc64.rpm

s390x:
kernel-debug-debuginfo-2.6.32-431.11.2.el6.s390x.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-431.11.2.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-431.11.2.el6.s390x.rpm
perf-debuginfo-2.6.32-431.11.2.el6.s390x.rpm
python-perf-2.6.32-431.11.2.el6.s390x.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.s390x.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-431.11.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/kernel-2.6.32-431.11.2.el6.src.rpm

i386:
kernel-2.6.32-431.11.2.el6.i686.rpm
kernel-debug-2.6.32-431.11.2.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debug-devel-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-431.11.2.el6.i686.rpm
kernel-devel-2.6.32-431.11.2.el6.i686.rpm
kernel-headers-2.6.32-431.11.2.el6.i686.rpm
perf-2.6.32-431.11.2.el6.i686.rpm
perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-431.11.2.el6.noarch.rpm
kernel-doc-2.6.32-431.11.2.el6.noarch.rpm
kernel-firmware-2.6.32-431.11.2.el6.noarch.rpm

x86_64:
kernel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-431.11.2.el6.x86_64.rpm
kernel-devel-2.6.32-431.11.2.el6.x86_64.rpm
kernel-headers-2.6.32-431.11.2.el6.x86_64.rpm
perf-2.6.32-431.11.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/kernel-2.6.32-431.11.2.el6.src.rpm

i386:
kernel-debug-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-431.11.2.el6.i686.rpm
perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm
python-perf-2.6.32-431.11.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-431.11.2.el6.i686.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-431.11.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-2.6.32-431.11.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-431.11.2.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/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2013-1860.html
https://www.redhat.com/security/data/cve/CVE-2014-0055.html
https://www.redhat.com/security/data/cve/CVE-2014-0069.html
https://www.redhat.com/security/data/cve/CVE-2014-0101.html
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.5_Technical_Notes/kernel.html

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2014 Red Hat, Inc.
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