Virtuozzo 7 : readykernel-patch (VZA-2017-026)

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 vulnerability :

- It was discovered that the xfrm framework for
transforming packets in the Linux kernel did not
properly validate data received from user space. A
local attacker could use this to cause a denial of
service (system crash) or execute arbitrary code with
administrative privileges.

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/2779666
http://www.nessus.org/u?32d5b067
http://www.nessus.org/u?188185ba
http://www.nessus.org/u?36c90913

Solution :

Update the readykernel patch.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.0
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Virtuozzo Local Security Checks

Nessus Plugin ID: 99173 ()

Bugtraq ID:

CVE ID: CVE-2017-7184

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