Virtuozzo 7 : readykernel-patch (VZA-2017-006)

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


Synopsis :

The remote Virtuozzo host is missing a security update.

Description :

According to the version of the vzkernel package and the
readykernel-patch installed, the Virtuozzo installation on the remote
host is affected by the following vulnerabilities :

- A flaw was found in the way nfnetlink validated length
of batch messages that could allow a user logged in to
a container as root to cause a general protection fault
and crash the host.

- A flaw was found in the way nfnetlink handled errors
while processing batch messages that could allow a user
logged in to a container as root to trigger use after
free and crash the host.

Note that Tenable Network Security has extracted the preceding
description block directly from the Virtuozzo security advisory.
Tenable has attempted to automatically clean and format it as much as
possible without introducing additional issues.

See also :

https://help.virtuozzo.com/customer/portal/articles/2750451
http://www.nessus.org/u?5e51bf2c
http://www.nessus.org/u?fefcc855

Solution :

Update the readykernel patch.

Risk factor :

Medium

Family: Virtuozzo Local Security Checks

Nessus Plugin ID: 97978 ()

Bugtraq ID:

CVE ID:

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