Kernel security update: Virtuozzo ReadyKernel patch 121.0 for Virtuozzo Hybrid Server 7.0, 7.5, Virtuozzo Infrastructure Platform 3.0, and Virtuozzo Hybrid Infrastructure 3.5, 4.0¶
Issue date: 2020-12-28
Applies to: Virtuozzo Hybrid Infrastructure 3.5, Virtuozzo Hybrid Infrastructure 4.0, Virtuozzo Hybrid Server 7.0, Virtuozzo Hybrid Server 7.5, Virtuozzo Infrastructure Platform 3.0
Virtuozzo Advisory ID: VZA-2020-075
The cumulative Virtuozzo ReadyKernel patch was updated with a security fix. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7, Virtuozzo Infrastructure Platform, and Virtuozzo Hybrid Infrastructure. NOTE: No more ReadyKernel updates are planned for the kernel 3.10.0-957.12.2.vz7.86.2, support for which ends with this update.
2. Security Fixes¶
[Moderate] [3.10.0-957.12.2.vz7.86.2 to 3.10.0-1127.18.2.vz7.163.46] A specially crafted program running in a container could make certain processes on the host hang (denial of service). (PSBM-123043)
3. Installing the Update¶
Download, install, and immediately apply the patch to the current kernel by running ‘readykernel update’.
The JSON file with the list of new and updated packages is available at https://docs.virtuozzo.com/vza/VZA-2020-075.json.