Kernel update: Virtuozzo ReadyKernel patch 96.0 for Virtuozzo 7.0 and Virtuozzo Infrastructure Platform 3.0 and Virtuozzo Hybrid Infrastructure 3.5

Issue date: 2020-01-27

Applies to: Virtuozzo 7.0, Virtuozzo Infrastructure Platform 3.0, Virtuozzo Hybrid Infrastructure 3.5

Virtuozzo Advisory ID: VZA-2020-006

1. Overview

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to the kernels 3.10.0-957.12.2.vz7.96.21 (Virtuozzo 7.0.11 and Virtuozzo Infrastructure Platform 3.0), 3.10.0-1062.4.2.vz7.116.7 (Virtuozzo 7.0.12 HF1 and Virtuozzo Hybrid Infrastructure 3.5).

2. Bug Fixes

  • [3.10.0-957.12.2.vz7.96.21 to 3.10.0-1062.4.2.vz7.116.7] memcg: memory corruption caused by writing beyond the end of shrinker_map structure. (PSBM-100509)

  • [3.10.0-957.12.2.vz7.96.21 to 3.10.0-1062.4.2.vz7.116.7] ploop: kernel crashes when processing discard requests for ploop images in raw format. (PSBM-100739)

3. Installing the Update

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