Kernel security update: Virtuozzo ReadyKernel patch 121.0 for Virtuozzo Server 7.0, 7.5, Virtuozzo Infrastructure Platform 3.0, and Virtuozzo Infrastructure 3.5, 4.0

Issue date: 2020-12-28

Applies to: Virtuozzo Infrastructure 3.5, Virtuozzo Infrastructure 4.0, Virtuozzo Server 7.0, Virtuozzo Server 7.5, Virtuozzo Infrastructure Platform 3.0

Virtuozzo Advisory ID: VZA-2020-075

1. Overview

The cumulative Virtuozzo ReadyKernel patch was updated with a security fix. The patch applies to all supported kernels of Virtuozzo Server 7, Virtuozzo Infrastructure Platform, and Virtuozzo Infrastructure. NOTE: No more ReadyKernel updates are planned for the kernel 3.10.0-957.12.2.vz7.86.2, support for which ends with this update.

2. Security Fixes

[Moderate] [3.10.0-957.12.2.vz7.86.2 to 3.10.0-1127.18.2.vz7.163.46] A specially crafted program running in a container could make certain processes on the host hang (denial of service). (PSBM-123043)

3. Installing the Update

Download, install, and immediately apply the patch to the current kernel by running ‘readykernel update’.

4. References

The JSON file with the list of new and updated packages is available at JSON file.