Important kernel security update: New kernel 2.6.32-042stab145.3 for Virtuozzo Containers for Linux 4.7, Server Bare Metal 5.0

Issue date: 2020-06-22

Applies to: Virtuozzo Containers for Linux 4.7, Server Bare Metal 5.0

Virtuozzo Advisory ID: VZA-2020-044

1. Overview

This update provides a new kernel 2.6.32-042stab145.3 for Virtuozzo Containers for Linux 4.7 and Server Bare Metal 5.0. It is based on the RHEL 6.10 kernel 2.6.32-754.30.2.el6 and inherits security and stability fixes from it. The new kernel also provides internal stability fixes.

2. Security Fixes

  • [Moderate] hw: Special Register Buffer Data Sampling (SRBDS). (CVE-2020-0543)

3. Bug Fixes

  • Host crashes in nf_nat_cleanup_conntrack() on container stop. (PSBM-104341, OVZ-6241, OVZ-6708)

  • Stability fixes in ext4, cpt and vzsnap.

4. Installing the Update

The update is only available for customers subscribed to the Extended Lifecycle Support (ELS) program. Download and install the update using the vzup2date utility included in the distribution. Reboot the host and switch to the new kernel.