Kernel update: Virtuozzo ReadyKernel patch 59.0 for Virtuozzo 7.0.7 to 7.0.7 HF3
Issue date: 2018-08-27
Applies to: Virtuozzo 7.0
Virtuozzo Advisory ID: VZA-2018-058
1. Overview
The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo 7.0.7 to 7.0.7 HF3.
2. Bug Fixes
- sunrpc: potential kernel crash (use after free) in svc_process_common(). (PSBM-73001)
- ’libvirtd’ service was unresponsive because ‘cgroup_mutex’ was held for a long time. (PSBM-87281)
- Host system could hang because of a leaked cache-related counter in memcg. (PSBM-87642)
- Potential out-of-bounds read in fuse_dev_splice_write(). (PSBM-87649)
- Attempts to start a container fail with errors like ‘cannot create directory /sys/fs/cgroup/beancounter/<…>’. (PSBM-87670)
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-43.10-59.0-1.vl7/
- https://readykernel.com/patch/Virtuozzo-7/readykernel-patch-46.7-59.0-1.vl7/
- https://readykernel.com/patch/Virtuozzo-7/readykernel-patch-48.2-59.0-1.vl7/
The JSON file with the list of new and updated packages is available at JSON file.