Important kernel security update: New kernel 2.6.32-042stab141.3 for Virtuozzo Containers for Linux 4.7, Server Bare Metal 5.0

Issue date: 2019-11-21

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

Virtuozzo Advisory ID: VZA-2019-088

1. Overview

This update provides a new kernel 2.6.32-042stab141.3 for Virtuozzo Containers for Linux 4.7 and Server Bare Metal 5.0 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

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.

The JSON file with the list of new and updated packages is available at https://docs.virtuozzo.com/vza/VZA-2019-088.json.