Amazon Linux AMI : kernel (ALAS-2012-83)

This script is Copyright (C) 2013-2015 Tenable Network Security, Inc.

Synopsis :

The remote Amazon Linux AMI host is missing a security update.

Description :

It was found that the data_len parameter of the sock_alloc_send_pskb()
function in the Linux kernel's networking implementation was not
validated before use. A local user with access to a TUN/TAP virtual
interface could use this flaw to crash the system or, potentially,
escalate their privileges. Note that unprivileged users cannot access
TUN/TAP devices until the root user grants them access. (CVE-2012-2136
, Important)

See also :

Solution :

Run 'yum update kernel' to update your system. You will need to reboot
your system in order for the new kernel to be running.

Risk factor :

High / CVSS Base Score : 7.2

Family: Amazon Linux Local Security Checks

Nessus Plugin ID: 69690 ()

Bugtraq ID:

CVE ID: CVE-2012-2136

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