Kernel update: Virtuozzo ReadyKernel patch 102.0 for Virtuozzo 7.0, Virtuozzo Infrastructure Platform 2.5, 3.0 and Virtuozzo Infrastructure 3.5

Issue date: 2020-04-06

Applies to: Virtuozzo 7.0, Virtuozzo Infrastructure Platform 2.5, Virtuozzo Infrastructure Platform 3.0, Virtuozzo Infrastructure 3.5

Virtuozzo Advisory ID: VZA-2020-026

1. Overview

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to the kernels 3.10.0-862.11.6.vz7.64.7 (Virtuozzo 7.0.8 HF1), 3.10.0-862.20.2.vz7.73.24 (Virtuozzo 7.0.9 and Virtuozzo Infrastructure Platform 2.5), 3.10.0-862.20.2.vz7.73.29 (Virtuozzo 7.0.9 and Virtuozzo Infrastructure Platform 2.5), 3.10.0-957.10.1.vz7.85.17 (Virtuozzo 7.0.10), 3.10.0-957.12.2.vz7.86.2 (Virtuozzo 7.0.10 HF1), 3.10.0-957.12.2.vz7.96.21 (Virtuozzo 7.0.11 and Virtuozzo Infrastructure Platform 3.0), 3.10.0-1062.4.2.vz7.116.7 (Virtuozzo 7.0.12 HF1 and and Virtuozzo Infrastructure 3.5), 3.10.0-1062.12.1.vz7.131.10 (Virtuozzo 7.0.13). NOTE: No more patches are planned for the kernel 3.10.0-862.11.6.vz7.64.7, support for which ends with this update.

2. Bug Fixes

[3.10.0-862.11.6.vz7.64.7 to 3.10.0-1062.12.1.vz7.131.10] A container with NFS server could force other such containers to use the older NFSv4 client tracker, which slows down NFS mounts. (PSBM-102363)
[3.10.0-1062.12.1.vz7.131.10] ext4: potential kernel crash (general protection fault) in ext4_free_blocks(). (PSBM-102478)
[3.10.0-862.11.6.vz7.64.7 to 3.10.0-1062.12.1.vz7.131.10] netfilter: kernel crash in the implementation of nf_tables due to use-after-free in dynamic operations. (PSBM-102655)
[3.10.0-862.11.6.vz7.64.7 to 3.10.0-1062.12.1.vz7.131.10] mpt2sas: scheduling while atomic in _scsih_io_done(). (VSTOR-32221)

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.