Synopsis: RHSA-2016:2047 can now be patched using Ksplice
CVEs: CVE-2016-7039

Systems running RHCK on Oracle Linux 7, Red Hat Enterprise Linux 7,
CentOS 7, and Scientific Linux 7 can now use Ksplice to patch against
the latest Red Hat Security Advisory, RHSA-2016:2047.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack on OL 7, RHEL 7, CentOS
7, and Scientific Linux 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-2016-7039: Kernel crash due to unbounded recursion in vlan GRO processing.

Linux kernel built with the 802.1Q/802.1ad VLAN OR Virtual eXtensible LAN
with Transparent Ethernet Bridging(TEB) GRO support, is vulnerable to a stack
overflow issue, leading to a stack corruption in the kernel.

A remote user could use this flaw to cause kernel panic by sending malicious
packets to a server that has GRO enabled.

SUPPORT

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


  

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