Kernel update: Virtuozzo ReadyKernel patch 65.0 for Virtuozzo 7.0.6 to 7.0.7 HF2

Issue date: 2018-11-02

Applies to: Virtuozzo 7.0

Virtuozzo Advisory ID: VZA-2018-079

1. Overview

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo kernels 3.10.0-693.1.1.vz7.37.30 (7.0.6), 3.10.0-693.11.6.vz7.40.4 (7.0.6 HF3), 3.10.0-693.17.1.vz7.43.10 (7.0.7), and 3.10.0-693.21.1.vz7.46.7 (7.0.7 HF2).

2. Bug Fixes

• Potential kernel crash in cbt_flush_cpu_cache(). (PSBM-89323)
• Incorrect accounting of network namespaces in the error paths in copy_net_ns(). (PSBM-89520)
• Errors in the implementation of online resize in ext4 caused failures of ploop resize operations. (PSBM-89583)
• Ploop: integer overflow in the implementation of direct IO could lead to errors when resizing the ploop image. (PSBM-89725)

3. Installing the Update

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

4. References

• https://readykernel.com/patch/Virtuozzo-7/readykernel-patch-37.30-65.0-1.vl7/
• https://readykernel.com/patch/Virtuozzo-7/readykernel-patch-40.4-65.0-1.vl7/
• https://readykernel.com/patch/Virtuozzo-7/readykernel-patch-43.10-65.0-1.vl7/
• https://readykernel.com/patch/Virtuozzo-7/readykernel-patch-46.7-65.0-1.vl7/

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