Virtuozzo ReadyKernel patch 132.0 for Virtuozzo Hybrid Server 7.5

Issue date: 2021-09-03

Applies to: Virtuozzo Hybrid Server 7.5

Virtuozzo Advisory ID: VZA-2021-046

1. Overview

The cumulative Virtuozzo ReadyKernel patch was updated with a stability fix. The patch applies to the kernels 3.10.0-1160.21.1.vz7.174.13 (Virtuozzo Hybrid Server 7.5 Update 1).

2. Bug Fixes

  • Memory leak happened in socket(2) if allocation of a file descriptor failed. It was discovered that lldpad consumed lots of kernel memory. The kernel memory used for the sockets it created was never released in case of certain errors. (PSBM-133610)

3. Installing the Update

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

4. References

The new and updated packages are listed in the JSON file.