Important kernel security update: New kernel 2.6.32-042stab141.3; Virtuozzo 6.0 Update 12 Hotfix 48 (6.0.12-3753)

Issue date: 2019-11-21

Applies to: Virtuozzo 6.0

Virtuozzo Advisory ID: VZA-2019-089

1. Overview

This update provides a new kernel 2.6.32-042stab141.3 for Virtuozzo 6.0 based on the RHEL 6.10 kernel 2.6.32-754.24.3.el6. The new kernel inherits security fixes.

2. Security Fixes

  • [Important] hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)

  • [Important] hw: Intel GPU blitter manipulation can allow for arbitrary kernel memory write (CVE-2019-0155)

  • [Important] Kernel: vhost_net: infinite loop while receiving packets leads to DoS (CVE-2019-3900)

  • [Important] Kernel: vhost-net: guest to host kernel escape during migration (CVE-2019-14835)

  • [Moderate] hw: Intel GPU Denial Of Service while accessing MMIO in lower power state (CVE-2019-0154)

  • [Moderate] hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)

3. Installing the Update

Install the update with ‘yum update’. Reboot the host and switch to the new kernel.

The JSON file with the list of new and updated packages is available at https://docs.virtuozzo.com/vza/VZA-2019-089.json.