Amazon Linux AMI : kernel Denial of Service (ALAS-2013-154)

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


Synopsis :

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

Description :

The xen_failsafe_callback function in Xen for the Linux kernel 2.6.23
and other versions, when running a 32-bit PVOPS guest, allows local
users to cause a denial of service (guest crash) by triggering an iret
fault, leading to use of an incorrect stack pointer and stack
corruption.

See also :

http://www.nessus.org/u?3962722d

Solution :

Run 'yum update kernel' to update your system.

Risk factor :

Medium / CVSS Base Score : 4.9
(CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C)

Family: Amazon Linux Local Security Checks

Nessus Plugin ID: 69713 ()

Bugtraq ID:

CVE ID: CVE-2013-0190