Virtuozzo 7 : readykernel-patch (VZA-2018-088)

High Nessus Plugin ID 121103

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 :

- Transforming an IPv6 socket to an IPv4 and then transforming it back to a listening socket could result in a kernel memory corruption. An unprivileged user on the host or in a container could exploit this to crash the kernel.

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.

Solution

Update the readykernel patch.

See Also

https://virtuozzosupport.force.com/s/article/VZA-2018-088

https://bugzilla.redhat.com/show_bug.cgi?id=1655904

http://www.nessus.org/u?03ab9b3b

http://www.nessus.org/u?d6a65883

http://www.nessus.org/u?2fc39cff

http://www.nessus.org/u?e2c533b3

http://www.nessus.org/u?08ece50d

http://www.nessus.org/u?3ac589cf

http://www.nessus.org/u?ef1732c7

http://www.nessus.org/u?6416f74a

http://www.nessus.org/u?defd02a6

Plugin Details

Severity: High

ID: 121103

File Name: Virtuozzo_VZA-2018-088.nasl

Version: 1.1

Type: local

Published: 2019/01/11

Modified: 2019/01/11

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: p-cpe:/a:virtuozzo:virtuozzo:readykernel, cpe:/o:virtuozzo:virtuozzo:7

Patch Publication Date: 2018/12/17

Reference Information

CVE: CVE-2018-9568