RHEL 7 : kernel (RHSA-2016:2047)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

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)

See also :

https://www.redhat.com/security/data/cve/CVE-2016-7039.html
http://rhn.redhat.com/errata/RHSA-2016-2047.html

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.5
(CVSS2#E:U/RL:OF/RC:UR)
Public Exploit Available : false

Family: Red Hat Local Security Checks

Nessus Plugin ID: 93952 ()

Bugtraq ID:

CVE ID: CVE-2016-7039

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