Virtuozzo 7 : readykernel-patch (VZA-2017-091)

Medium Nessus Plugin ID 103681

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 key management subsystem of the Linux kernel could perform incorrect update operations on uninstantiated keys. A local unprivileged user could exploit this flaw to cause a NULL pointer dereference in the kernel and crash it.

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://help.virtuozzo.com/customer/portal/articles/2884969

http://www.nessus.org/u?83b76611

http://www.nessus.org/u?f898b16b

http://www.nessus.org/u?0931a20b

http://www.nessus.org/u?bebee442

http://www.nessus.org/u?aee43583

http://www.nessus.org/u?05609d81

Plugin Details

Severity: Medium

ID: 103681

File Name: Virtuozzo_VZA-2017-091.nasl

Version: Revision: 2.1

Type: local

Published: 2017/10/06

Modified: 2017/10/06

Dependencies: 12634

Risk Information

Risk Factor: Medium

Vulnerability Information

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

Required KB Items: Host/local_checks_enabled, Host/Virtuozzo/release, Host/Virtuozzo/rpm-list, Host/readykernel-info

Patch Publication Date: 2017/10/05