Important kernel security update: Virtuozzo ReadyKernel patch 87.0 for Virtuozzo 7.0 and Virtuozzo Infrastructure Platform 2.5, 3.0

The cumulative Virtuozzo ReadyKernel patch was updated with a security fix. The patch applies to all supported kernels of Virtuozzo 7.0 and Virtuozzo Infrastructure Platform. Vulnerability id: CVE-2019-14835 3.10.0-693.17.1.vz7.43.10 to 3.10.0-957.12.2.vz7.96.21 vhost-net: guest to host kernel...

Virtuozzo Hybrid Infrastructure 5.4 Update 4 Hotfix 1 (5.4.4-119)

This update provides important stability fixes for the core storage, object storage, and compute services. Vulnerability id: VSTOR-74982 Fixed the customization of S3 URLs with CNAME records. Vulnerability id: VSTOR-75137, VSTOR-75225 Fixed storage and metadata service issues related to incorrect...

Virtuozzo Hybrid Infrastructure 5.4 Update 4 (5.4.4-112)

This update delivers a new feature for the compute service, performance optimization for the object storage, as well as stability, security, and performance improvements. Vulnerability id: VSTOR-74916 VMs with Windows Server 2019, Windows Server 2022, and Windows 10 fail to boot after installatio...

Virtuozzo Hybrid Infrastructure 5.3 (5.3.0-130)

In this release, Virtuozzo Hybrid Infrastructure provides a range of new features that cover Kubernetes as a Service, storage performance, security, monitoring and alerts, and the user interface. Additionally, this release delivers stability improvements and addresses issues found in previous...

Virtuozzo Hybrid Infrastructure 5.0 Update 1.1 (5.0.1-53)

This update provides security and stability fixes. Vulnerability id: VSTOR-51927 A security fix for CVE-2022-0378. Vulnerability id: VSTOR-51506 Fixed a connectivity issue when an Open vSwitch bridge is recreated for VLAN physical networks. Vulnerability id: VSTOR-51357 Entering maintenance may g...

Virtuozzo Hybrid Server 7.5 Hotfix 3 (7.5.0-610)

The Hotfix 3 for Virtuozzo Hybrid Server 7.5 provides stability and usability bug fixes. Vulnerability id: PSBM-124766 VM's filesystem could remain frozen and non-working after backup. Vulnerability id: PSBM-125260 EZ templates are now installed and their post-install scripts are now run in the...

Product update: Virtuozzo 7.0 Update 10 Hotfix 1 (7.0.10-320)

The Hotfix 1 for for Virtuozzo 7.0.10 mitigates the Microarchitectural Store Buffer Data MDS vulnerability and provides stability and usability bug fixes. Vulnerability id: PSBM-94407 The Microarchitectural Store Buffer Data MDS is a series of hardware vulnerabilities which allow speculative...

[Important] [Security] Fixes for vulnerabilities in sudo, rsync, and microcode_ctl (CVE-2025-32462, CVE-2024-12085, and CVE-2024-45332) for Virtuozzo Hybrid Server 7.5

This update fixes the vulnerabilities in sudo, rsync, and microcodectl registered as CVE-2025-32462, CVE-2024-12085, and CVE-2024-45332. Additionally, this update includes a fix for NetKVM drivers that caused some Windows virtual machines to crash. Vulnerability id: CVE-2025-32462 A privilege...

Virtuozzo Linux 9 Beta

Virtuozzo Linux 9 Beta is a 1:1 clone of Redhat Enterprise Linux RHEL 9 Beta. It is free to download, use, and distribute. Virtuozzo Linux 9 Beta offers new features and components, a new kernel, and enhanced security...

Product release: Virtuozzo Hybrid Infrastructure 3.5 Update 5 (3.5.5-26)

This update provides a new feature as well as improvements and bug fixes. Vulnerability id: VSTOR-34750 After failed VM evacuations, resource allocations are duplicated. Vulnerability id: VSTOR-30767 An update to a new major release may fail with the error "Updates to multiple product versions ar...

Virtuozzo Hybrid Infrastructure 6.3 Update 1 Hotfix 4 (6.3.1-135)

This update provides a security fix. Vulnerability id: VSTOR-123590 A security fix for CVE-2025-15467...

Virtuozzo Hybrid Server 7.5 Update 7 (7.5.7-129)

Virtuozzo Hybrid Server 7.5 Update 7 introduces a way to convert system containers to virtual machines, support for Ubuntu 24.04 LTS, and bug fixes. Additionally, it provides a new kernel 3.10.0-1160.119.1.vz7.224.4. Vulnerability id: PSBM-159393 Memory corruption leading to a crash in nodes in...

Virtuozzo Hybrid Infrastructure 6.3 (6.3.0-170)

In this release, Virtuozzo Hybrid Infrastructure provides a range of new features that cover the compute service and our ecosystem of backup and disaster recovery solutions. Additionally, this release delivers stability and security improvements, and addresses issues found in previous releases...

Virtuozzo Hybrid Infrastructure 6.1 Hotfix 1 (6.1.0-247)

In this release, Virtuozzo Hybrid Infrastructure enables selective updates of specific Kubernetes node groups, as well as provides stability and performance improvements. Vulnerability id: VSTOR-83526 Cannot filter backup plans by using the "Disabled" status. Vulnerability id: VSTOR-83662 Added...

Virtuozzo Hybrid Infrastructure 6.0 (6.0.0-243)

In this release, Virtuozzo Hybrid Infrastructure provides an upgrade of the Linux distribution, kernel, and toolset packages. This release also contains a range of new features that cover storage performance, object storage, as well as monitoring and alerts. Additionally, this release delivers...

Virtuozzo Hybrid Infrastructure 4.7

In this release, Virtuozzo Hybrid Infrastructure provides a wide range of new features that enhance service providers' interoperability and help expand their services. The improvements cover compute services, object storage, core storage, monitoring, high availability for the management node,...

Virtuozzo Automator 7.0 Update 2 Hotfix 15 (VA MN 7.0.2-680, VA Agent 7.0.2-407)

The Hotfix 15 for Virtuozzo Automator 7.0.2 provides stability and usability fixes. Vulnerability id: PVA-37501 pvaagentd could be killed by SIGSEGV. Vulnerability id: PVA-37697, PVA-37707 Coalesce operation could be performed on an outdated cached list of backups. Vulnerability id: PVA-37537 Fre...

Kernel update: Virtuozzo ReadyKernel patch 111.0 for Virtuozzo Hybrid Server 7.0

The cumulative Virtuozzo ReadyKernel patch was updated with a stability fix. The patch applies to the kernels 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. Vulnerability id: PSBM-105237 3.10.0-1062.12.1.vz7.131.10 to...

Product update: Virtuozzo 6.0 Update 12 Hotfix 44 (6.0.12-3746)

The Hotfix 44 for Virtuozzo 6.0.12 fixes a security issue. Vulnerability id: PSBM-96909 Fixed possible corruption of VM configuration after restoration from backup by means of third-party solutions. The built-in backup restoration tool 'prlctl restore' is not affected. User data inside restored V...

Product update: Virtuozzo 7.0 Update 10 (7.0.10-315)

The Update 10 for Virtuozzo 7.0 provides a new feature as well as stability and usability bug fixes. It also introduces a new kernel 3.10.0-957.10.1.vz7.85.17, which is a rebase to the RHEL 7.6 kernel 3.10.0-957.10.1.el7. Vulnerability id: PSBM-91794 Node could crash due to a bug in overlayfs...

Kernel update: Virtuozzo ReadyKernel patch 60.0 for Virtuozzo 7.0.8 HF1

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo 7.0.8 HF1. Vulnerability id: PSBM-73001 sunrpc: potential kernel crash use after free in svcprocesscommon. Vulnerability id: PSBM-87649 Potential out-of-bounds read in fusedevsplicewrite...

Product update: Virtuozzo 7.0 Update 7 (7.0.7-423)

The Update 7 for Virtuozzo 7.0 provides new features as well as stability and usability bug fixes. Vulnerability id: PSBM-79872 Enabling nested virtualization for VM could fail due to a bug in libvirt. Vulnerability id: PSBM-81107 Setting IP address to a VM without guest tools returned error even...

Product update: Virtuozzo Automator 7.0 Update 2 (VA MN: 7.0.2-266, VA Agent: 7.0.2-115)

The Update 2 for Virtuozzo Automator 7.0 provides new features and stability and usability bug fixes. Vulnerability id: PVA-36694 No 'Renew backup' button on virtual environment's backups tab. Vulnerability id: PVA-36693 Existing bridges were not used when attaching interfaces to virtual networks...

Product update: Virtuozzo Automator 7 Update 1

The new packages for Virtuozzo Automator 7 introducing new features as well as usability and stability bug fixes. Vulnerability id: PVA-36535 Fixed collection of CPU statistics in VA MN. Vulnerability id: PVA-36516 Changing container's private area in the host settings in VA MN resulted in deleti...

Virtuozzo Infrastructure 7.2 Hotfix 2 (7.2.0-258) (formerly Virtuozzo Hybrid Infrastructure)

This update delivers important stability fixes and includes a product name change. Vulnerability id: VSTOR-122117 Improved monitoring and dashboard responsiveness on large clusters by optimizing metric caching. Vulnerability id: VSTOR-124715 Updates could fail on nodes with floppy drives...

Virtuozzo Hybrid Infrastructure 6.0 Update 1 Hotfix 13 (6.0.1-118)

This update provides a security fix. Vulnerability id: VSTOR-123590 A security fix for CVE-2025-15467...

[Important] [Security] Virtuozzo ReadyKernel Patch 170.1 for Virtuozzo Hybrid Server 7.5

The cumulative Virtuozzo ReadyKernel patch was updated with a security fix. The patch applies to the supported kernel 3.10.0-1160.119.1.vz7.224.4 of Virtuozzo Hybrid Server 7.5. Vulnerability id: PSBM-160298 3.10.0-1160.119.1.vz7.224.4 Fixed container zombie processes shown as host processes. Fix...

Virtuozzo Hybrid Infrastructure 6.3 Hotfix 1 (6.3.0-177)

This update provides stability and performance improvements. Vulnerability id: VSTOR-91833 A performance improvement. Vulnerability id: VSTOR-94382 Increased the number of Grafana dashboards that can be added to the Dashboard Directory. Vulnerability id: VSTOR-94508 In the admin panel, LUNs are n...

Virtuozzo Hybrid Infrastructure 6.1 Update 1 Hotfix 7 (6.1.1-59)

This update provides stability and security fixes. Vulnerability id: VSTOR-86581 Fixed an issue with iSCSI persistent reservations. Vulnerability id: VSTOR-90084 A stability improvement for the compute service. Vulnerability id: VSTOR-90793 Fixed an error with extending volumes. Vulnerability id:...

Virtuozzo Hybrid Infrastructure 6.1 (6.1.0-238)

In this release, Virtuozzo Hybrid Infrastructure introduces a new service---Backup and Restore as a Service---as well as provides a range of new features that cover improvements in the compute services and object storage. Additionally, this release delivers stability and security improvements, an...

Virtuozzo Hybrid Server 7.5 Update 3 (7.5.3-391)

Virtuozzo Hybrid Server 7.5 Update 3 introduces new features and provides stability and usability bug fixes. It also introduces a new kernel 3.10.0-1160.53.1.vz7.185.3. Vulnerability id: PSBM-133274 Node could crash due to an nfsd issue. Vulnerability id: PSBM-136335 Fixes for the balancing formu...

Product release: Virtuozzo Infrastructure Platform 3.0 Update 5 Hotfix 3 (3.0.5-72)

This update provides a fix for the 3.0 to 3.5 upgrade procedure. Vulnerability id: VSTOR-34105 Upgrade from version 3.0 to 3.5 may fail in some cases due to the absence of an internal product file...

Product update: Virtuozzo Automator 7.0 Update 2 Hotfix 9 (VA MN: 7.0.2-645, VA Agent: 7.0.2-364)

Hotfix 9 for Virtuozzo Automator 7.0.2 provides stability and usability fixes. Vulnerability id: PVA-35779 Virtuozzo Automator warns about low disk space on SSDs with storage cache and journals. Vulnerability id: PVA-37393 VA agent can fully load MDS on nodes with lots of containers on Virtuozzo...

Product update: Virtuozzo 7.0 Update 12 Hotfix 3 (7.0.12-361)

The Hotfix 3 for Virtuozzo 7.0 Update 12 provides stability and usability bug fixes. Vulnerability id: PSBM-100126 Ploop is corrupted after node reboot repair image outgrows device size. Vulnerability id: PSBM-101150 vzstat does not show actual IO and IOPS load and limits. Vulnerability id:...

Product update: Virtuozzo Infrastructure Platform 3.0 Update 5 Hotfix 1 (3.0.5-64)

This update provides stability fixes for the upgrade procedure to version 3.5. Vulnerability id: VSTOR-30561 'Service disabled' error after updating to version 3.5 under certain circumstances if management high availability is configured...

Kernel update: Virtuozzo ReadyKernel patch 65.0 for Virtuozzo 7.0.4 to 7.0.5

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo kernels 3.10.0-514.16.1.vz7.30.10 7.0.4, 3.10.0-514.16.1.vz7.30.15 7.0.4 HF3, and 3.10.0-514.26.1.vz7.33.22 7.0.5. Vulnerability id: PSBM-89323 Potential kernel crash in cbtflushcpucache...

Virtuozzo Linux Errata and Bugfix Advisory 2017:0081

Upstream security update. Follow RHBA-2017-0081 for details...

Virtuozzo Hybrid Server 7.5 Update 4 (7.5.4-465)

Virtuozzo Hybrid Server 7.5 Update 4 introduces new features and provides stability and usability bug fixes. It also introduces a new kernel 3.10.0-1160.80.1.vz7.191.4. Vulnerability id: PSBM-142718 Node IP was not set when changing 'vnclisten' in '/etc/libvirt/qemu.conf.' Vulnerability id:...

Virtuozzo Hybrid Server 7.5 Update 2 Hotfix 2 (7.5.2-464)

The Hotfix 2 for Virtuozzo Hybrid Server 7.5 Update 2 provides stability and usability bug fixes. Vulnerability id: PSBM-136189 QEMU could mark a VM QCOW2 image as corrupt. Vulnerability id: PSBM-136198 QEMU could not be updated. Vulnerability id: PSBM-136407 VCMMD needed to be properly notified ...

Virtuozzo ReadyKernel patch 133.0 for Virtuozzo Hybrid Server 7.0, 7.5

The cumulative Virtuozzo ReadyKernel patch was updated with a stability fix. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7. Vulnerability id: PSBM-134323 3.10.0-1062.12.1.vz7.131.10 to 3.10.0-1160.41.1.vz7.183.5 Memory allocation failed unexpectedly in...

Virtuozzo Hybrid Infrastructure 4.6 Update 2

This update provides bug fixes and improvements. Vulnerability id: VSTOR-45618 Incorrect storage usage values are reported. Vulnerability id: VSTOR-45724 Some users cannot access S3 via the user panel. Vulnerability id: VSTOR-44252 Detection of slow disks works inside virtual environments...

Kernel update: Virtuozzo ReadyKernel patch 119.0 for Virtuozzo Hybrid Server 7.0, Virtuozzo Infrastructure Platform 3.0, and Virtuozzo Hybrid Infrastructure 3.5

The cumulative Virtuozzo ReadyKernel patch was updated with a stability fix. The patch applies to the kernels 3.10.0-957.10.1.vz7.85.17 Virtuozzo Hybrid Server 7.0.10, 3.10.0-957.12.2.vz7.86.2 Virtuozzo Hybrid Server 7.0.10 HF1, 3.10.0-957.12.2.vz7.96.21 Virtuozzo Hybrid Server 7.0.11 and Virtuoz...

Virtuozzo Linux Errata and Bugfix Advisory 2020:5037

Upstream security update. Follow RHBA-2020:5037 for details...

Product update: Virtuozzo Hybrid Server 7.0 Update 14 Hotfix 1 (7.0.14-257)

The Hotfix 1 for Virtuozzo Hybrid Server 7.0 Update 14 provides stability and usability bug fixes. Vulnerability id: PSBM-105022 Unable to live-migrate VMs with dirty bitmaps on Virtuozzo Storage. Vulnerability id: PSBM-104631, PSBM-104632 CS journals to be placed on SSDs are now properly handled...

Kernel update: Virtuozzo ReadyKernel patch 105.1 for Virtuozzo 7.0 and Virtuozzo Infrastructure Platform 2.5, 3.0, 3.5

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to the kernels 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,...

Kernel update: Virtuozzo ReadyKernel patch 95.0 for Virtuozzo 7.0 and Virtuozzo Infrastructure Platform 2.5

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to the kernel 3.10.0-862.20.2.vz7.73.24 Virtuozzo 7.0.9 and Virtuozzo Infrastructure Platform 2.5. Vulnerability id: PSBM-100118 scsi: printing lots of messages about rejected I/O causes a hard lockup a...

Product update: Virtuozzo Infrastructure Platform 3.0 Update 1 (3.0.1-55)

This update provides a new feature as well as stability and usability fixes. Vulnerability id: VSTOR-23861 Wrong details were reported for software RAID partitions. Vulnerability id: VSTOR-24687 Log rotation could lead to agent restart. Vulnerability id: VSTOR-24814 Network configuration was not...

Product update: Virtuozzo 7.0 Update 11 (7.0.11-293)

The Update 11 for Virtuozzo 7.0 provides new features as well as stability and usability bug fixes. It also introduces a new kernel 3.10.0-957.12.2.vz7.96.21. Vulnerability id: PSBM-82223 Under certain circumstances, a VM with IDE disks could crash or corrupt guest data during migration or snapsh...

Product release: Virtuozzo Infrastructure Platform 3.0

In this release, Virtuozzo Infrastructure Platform offers a wide range of new features that enhance the experience of users working with compute virtualization and software-defined networking functionalities. Additionally, the update delivers stability improvements and addresses bugs found in...

Product update: Virtuozzo Infrastructure Platform 2.5 Update 8 (2.5.0-1680)

This update enables upgrade to the new major version 3.0 and provides important system fixes. Vulnerability id: VSTOR-23308 Journald could get stuck, waiting endlessly for "--verify" to complete and stalling services in an unresponsive state. Vulnerability id: VSTOR-23898 Under certain...