Kernel update: Virtuozzo ReadyKernel patch 120.0 for Virtuozzo Server 7.0 and Virtuozzo Infrastructure 3.5, 4.0

Issue date: 2020-12-03

Applies to: Virtuozzo Infrastructure 3.5, Virtuozzo Infrastructure 4.0, Virtuozzo Server 7.0

Virtuozzo Advisory ID: VZA-2020-071

1. Overview

The cumulative Virtuozzo ReadyKernel patch was updated with a stability fix. The patch applies to the kernels 3.10.0-1062.4.2.vz7.116.7 (Virtuozzo Server 7.0.12 HF1 and Virtuozzo Infrastructure 3.5), 3.10.0-1062.12.1.vz7.131.10 (Virtuozzo Server 7.0.13), 3.10.0-1127.8.2.vz7.151.14 (Virtuozzo Server 7.0.14), 3.10.0-1127.8.2.vz7.158.8 (Virtuozzo Infrastructure 4.0).

2. Bug Fixes

[3.10.0-1062.4.2.vz7.116.7 to 3.10.0-1127.8.2.vz7.158.8] Kernel crash in mem_cgroup_from_cont() due to a race between memory reclaim and offlining of a cgroup. (PSBM-122653)

3. Installing the Update

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

4. References

The JSON file with the list of new and updated packages is available at JSON file.