net: af_key: initialize satype in key_notify_policy_flush
CVE: CVE-2013-2237
Component: Kernel
Severity: Low
Release date: 2013-02-18T00:00:00+00:00

The key_notify_policy_flush function in net/key/af_key.c in the Linux kernel before 3.9 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap memory by reading a broadcast message from the notify_policy interface of an IPSec key_socket.

Statement: This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise MRG 2 may address this issue. This issue has been addressed for Red Hat Enterprise Linux 5 via the advisory RHSA-2013:1166 and Red Hat Enterprise Linux 6 via the advisory RHSA-2013:1173.

Remediation:
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.
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.
Before applying this update, make sure all previously released errata
relevant to your system have been applied.

Details on how to use the Red Hat Network to apply this update are
available at https://access.redhat.com/site/articles/11258

This Red Hat OpenStack 3.0 kernel may be installed by running this command
while logged in as the root user on a system that has the required
entitlements and subscriptions attached:

# yum install "kernel-2.6.*.openstack.el6.x86_64"

Documentation for both stable and preview releases of Red Hat OpenStack is
available at:

https://access.redhat.com/site/documentation/Red_Hat_OpenStack/

In particular it is highly recommended that all users read the Release
Notes document for the relevant Red Hat OpenStack release prior to
installation.
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.