【CEBA-2016:2047】An update for kernel is now available for Red Hat Enterprise Linux 7

CEBA-2016:2047

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of
Important. A Common Vulnerability Scoring System (CVSS) base score, which gives
a detailed severity rating, is available for each vulnerability from the CVE
link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating
system.

Security Fix(es):

* Linux kernel built with the 802.1Q/802.1ad VLAN(CONFIG_VLAN_8021Q) OR Virtual
eXtensible Local Area Network(CONFIG_VXLAN) with Transparent Ethernet
Bridging(TEB) GRO support, is vulnerable to a stack overflow issue. It could
occur while receiving large packets via GRO path as an unlimited recursion could
unfold in both VLAN and TEB modules leading to a stack corruption in the kernel.
(CVE-2016-7039, Important)

Bugs Fixed

1375944 – CVE-2016-7039 kernel: remotely triggerable unbounded recursion in the vlan gro code leading to a kernel crash