Virtuozzo ReadyKernel patch 128.0 for Virtuozzo Hybrid Server 7.0, 7.5 and Virtuozzo Hybrid Infrastructure 3.5, 4.0, 4.5

Issue date: 2021-05-31

Applies to: Virtuozzo Hybrid Infrastructure 3.5, Virtuozzo Hybrid Infrastructure 4.0, Virtuozzo Hybrid Infrastructure 4.5, Virtuozzo Hybrid Server 7.0, Virtuozzo Hybrid Server 7.5

Virtuozzo Advisory ID: VZA-2021-026

1. Overview

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to the kernels 3.10.0-1062.4.2.vz7.116.7 (Virtuozzo Hybrid Server 7.0.12 HF1 and Virtuozzo Hybrid Infrastructure 3.5), 3.10.0-1062.12.1.vz7.131.10 (Virtuozzo Hybrid Server 7.0.13), 3.10.0-1127.8.2.vz7.151.14 (Virtuozzo Hybrid Server 7.0.14), 3.10.0-1127.8.2.vz7.158.8 (Virtuozzo Hybrid Infrastructure 4.0), 3.10.0-1127.18.2.vz7.163.46 (Virtuozzo Hybrid Server 7.5 and Virtuozzo Hybrid Infrastructure 4.5).

2. Bug Fixes

  • [3.10.0-1062.4.2.vz7.116.7 to 3.10.0-1127.18.2.vz7.163.46] sch_teql: kernel crash in teql_destroy(). (PSBM-128205)

  • [3.10.0-1062.4.2.vz7.116.7 to 3.10.0-1127.18.2.vz7.163.46] ext4: timestamps could be updated in wrong inodes in certain cases, if the filesystem was mounted with ‘lazytime’ option. (PSBM-129374)

  • [3.10.0-1127.18.2.vz7.163.46] netfilter: potential kernel crash in nft_rbtree_deactivate(). (PSBM-129500)

3. Installing the Update

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