Kernel update: Virtuozzo ReadyKernel patch 119.5 for Virtuozzo Server 7.0 and Virtuozzo Infrastructure 4.0

Issue date: 2020-12-01

Applies to: Virtuozzo Infrastructure 4.0, Virtuozzo Server 7.0

Virtuozzo Advisory ID: VZA-2020-068

1. Overview

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to the kernels 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

[3.10.0-1127.8.2.vz7.151.14 to 3.10.0-1127.8.2.vz7.158.8] ploop: certain operations with large ploop images could lead to a division by zero in __map_extent_bmap(). (PSBM-122035)
[3.10.0-1127.8.2.vz7.151.14 to 3.10.0-1127.8.2.vz7.158.8] Kernel crash due to an incorrect BUG_ON() assertion in move_freepages(). (PSBM-123085)

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.