[Ksplice][RHEL7-Updates] New updates available via Ksplice (RHSA-2016-1847)

[Oracle Ksplice]

Synopsis: RHSA-2016-1847 can now be patched using Ksplice
CVEs: CVE-2016-3134 CVE-2016-4997 CVE-2016-4998

Systems running Red Hat Enterprise Linux 7 can now use Ksplice to
patch against the latest Red Hat Security Advisory, RHSA-2016-1847.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack on RHEL 7 install these
updates.

On systems that have "autoinstall = yes" in /etc/uptrack/uptrack.conf,
these updates will be installed automatically and you do not need to
take any action.

Alternatively, you can install these updates by running:

# /usr/sbin/uptrack-upgrade -y


DESCRIPTION

* CVE-2016-3134, CVE-2016-4997, CVE-2016-4998: Memory corruption in SO_SET_REPLACE netfilter interface.

The netfilter subsystem does not correctly validate IPT_SO_SET_REPLACE
data from userspace which can allow local users with CAP_NET_ADMIN
privileges to trigger kernel memory corruption and possibly gain
elevated privileges.


* Revert: CVE-2016-3134, CVE-2016-4997, CVE-2016-4998: Memory corruption in SO_SET_REPLACE netfilter interface.

This update is stack-checky.


* CVE-2016-3134, CVE-2016-4997, CVE-2016-4998: Memory corruption in SO_SET_REPLACE netfilter interface.

The netfilter subsystem does not correctly validate IPT_SO_SET_REPLACE
data from userspace which can allow local users with CAP_NET_ADMIN
privileges to trigger kernel memory corruption and possibly gain
elevated privileges.

SUPPORT

Ksplice support is available at ksplice-support_ww at oracle.com.