Virtuozzo 7 : readykernel-patch (VZA-2017-053)

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 :

- A vulnerability was found in the signal handling in the
Linux kernel. A local unprivileged user could cause a
kernel crash (general protection fault) in the
cleanup_timers() function by using the
rt_tgsigqueueinfo() system call with a specially
crafted set of arguments.

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/2828916
http://www.nessus.org/u?69652e77

Solution :

Update the readykernel patch.

Risk factor :

Medium

Family: Virtuozzo Local Security Checks

Nessus Plugin ID: 101030 ()

Bugtraq ID:

CVE ID:

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