Kernel update: Virtuozzo ReadyKernel patch 59.0 for Virtuozzo 7.0.4 to 7.0.6 HF3

Issue date: 2018-08-27

Applies to: Virtuozzo 7.0

Virtuozzo Advisory ID: VZA-2018-057

1. Overview

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo 7.0.4 to 7.0.6 HF3.

2. Bug Fixes

  • sunrpc: potential kernel crash (use after free) in svc_process_common(). (PSBM-73001)

  • Potential out-of-bounds read in fuse_dev_splice_write(). (PSBM-87649)

  • Attempts to start a container fail with errors like ‘cannot create directory /sys/fs/cgroup/beancounter/<…>’. (PSBM-87670)

3. Installing the Update

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