Important kernel security update: New kernel 2.6.32-042stab145.3; Virtuozzo 6.0 Update 12 Hotfix 52 (6.0.12-3759)

Issue date: 2020-06-22

Applies to: Virtuozzo 6.0

Virtuozzo Advisory ID: VZA-2020-045

1. Overview

This update provides a new kernel 2.6.32-042stab145.3 for Virtuozzo 6.0. 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. Install the update with “yum update”. Reboot the host and switch to the new kernel.