Important kernel security update: Virtuozzo ReadyKernel patch 80.0 for Virtuozzo 7.0.6 and 7.0.6 HF3

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to the kernels 3.10.0-693.1.1.vz7.37.30 Virtuozzo 7.0.6 and 3.10.0-693.11.6.vz7.40.4 Virtuozzo 7.0.6 HF3. NOTE: No more patches are planned for kernel 3.10.0-693.1.1.vz7.37.30, support for...

Kernel security update: CVE-2017-15274; new kernel 2.6.32-042stab125.5 for Virtuozzo Containers for Linux 4.7, Server Bare Metal 5.0

This update provides a new Virtuozzo Containers for Linux 4.7 kernel 2.6.32-042stab125.5 based on the Red Hat Enterprise Linux 6.9 kernel 2.6.32-696.10.2.el6. The new kernel introduces security and stability fixes. Vulnerability id: CVE-2017-15274 A flaw was found in the implementation of...

Kernel security update: CVE-2017-5970 and other; Virtuozzo ReadyKernel patch 20.0 for Virtuozzo 7.0.x

The cumulative Virtuozzo ReadyKernel patch updated with security fixes. The patch applies to Virtuozzo kernels 3.10.0-327.18.2.vz7.15.2 Virtuozzo 7.0.0, 3.10.0-327.36.1.vz7.18.7 Virtuozzo 7.0.1, and 3.10.0-327.36.1.vz7.20.18 Virtuozzo 7.0.3. Vulnerability id: CVE-2017-5970 A vulnerability was fou...

Kernel security update: CVE-2017-7472; new kernel 2.6.32-042stab123.2, Virtuozzo 6.0 Update 12 Hotfix 8 (6.0.12-3765)

This update provides a new kernel 2.6.32-042stab123.2 for Virtuozzo 6.0. The new kernel is based on the Red Hat Enterprise Linux 6.9 kernel 2.6.32-696.el6 and provides a security fix and stability bug fixes. Vulnerability id: CVE-2017-7472 It was found that keyctlsetreqkeykeyring function leaked...

Virtuozzo Infrastructure 7.4 (7.4.0-66)

This release updates managed Kubernetes to version 1.35.3 and Fedora CoreOS to version 43, introduces API credentials for external automation workflows, and provides the updater patches and tooling required to upgrade the product to version 8.0. It also includes object storage performance...

Virtuozzo Hybrid Infrastructure 6.2 Update 1 (6.2.1-51)

In this release, Virtuozzo Hybrid Infrastructure provides stability and performance improvements, as well as addresses issues found in previous releases. Vulnerability id: VSTOR-68405 Failed to deploy the compute cluster due to an issue with the default storage policy. Vulnerability id: VSTOR-880...

[Important] [Security] Virtuozzo ReadyKernel Patch 157.3 for Virtuozzo Hybrid Server 7.5

The cumulative Virtuozzo ReadyKernel patch was updated with security fixes. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7.5. Vulnerability id: PSBM-147036 3.10.0-1160.41.1.vz7.183.5 to 3.10.0-1160.80.1.vz7.191.4 Partial fix to prevent memory leak for some cases in the...

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 Hotfix 1 (4.6.0-209)

This update provides stability fixes for the storage services. Vulnerability id: VSTOR-44388 It is not possible to open some files in the storage. Vulnerability id: VSTOR-44346 A stability improvement for the storage service...

Virtuozzo Linux 8.4

The complete list of changes is available in RHEL 8.4 release notes at https://access.redhat.com/documentation/en-us/redhatenterpriselinux/8/html-single/8.4releasenotes/index. Vulnerability id: VZL-94 If subscription-manager was installed, any dnf command could produce warnings about the system n...

Kernel update: Virtuozzo ReadyKernel patch 85.1 for Virtuozzo 7.0 and Virtuozzo Infrastructure Platform 3.0

The cumulative Virtuozzo ReadyKernel patch was updated with a stability fix. The patch applies to the kernel 3.10.0-957.12.2.vz7.96.21 Virtuozzo 7.0.11 and Virtuozzo Infrastructure Platform 3.0. Vulnerability id: PSBM-96919 ploop: resize operation could fail due to an incorrect check in...

Kernel security update: CVE-2017-9242 and other; Virtuozzo ReadyKernel patch 30.3 for Virtuozzo 7.0.5

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to Virtuozzo kernel 3.10.0-514.26.1.vz7.33.22 Virtuozzo 7.0.5. Vulnerability id: CVE-2017-7558 A kernel data leak due to an out-of-bound read was found in the Linux kernel in...

Important kernel security update: CVE-2017-8797 and other; Virtuozzo ReadyKernel patch 25.0 for Virtuozzo 7.0.0, 7.0.1, and 7.0.3

The cumulative Virtuozzo ReadyKernel patch was updated with security fixes. The patch applies to Virtuozzo kernels 3.10.0-327.18.2.vz7.15.2 Virtuozzo 7.0.0, 3.10.0-327.36.1.vz7.18.7 Virtuozzo 7.0.1, and 3.10.0-327.36.1.vz7.20.18 Virtuozzo 7.0.3. Vulnerability id: CVE-2017-8797 The NFSv4 server in...

Kernel security update: Virtuozzo ReadyKernel patch 15.0 for kernels 3.10.0-327.18.2.vz7.15.2 (Virtuozzo 7.0.0), 3.10.0-327.36.1.vz7.18.7 (Virtuozzo 7.0.1), and 3.10.0-327.36.1.vz7.20.18 (Virtuozzo 7.0.3)

The cumulative Virtuozzo ReadyKernel patch updated with a security fix. The patch applies to Virtuozzo versions 7.0.0, 7.0.1, and 7.0.3. Vulnerability id: CVE-2017-2647 A flaw was discovered in the Linux kernel's key subsystem. Invoking the requestkey system call with a specially crafted set of...

Virtuozzo Hybrid Infrastructure 7.0 (7.0.0-250)

In this release, Virtuozzo Hybrid Infrastructure provides a range of new features that cover the compute service, object and core storage, networking, as well as monitoring and alerts. Additionally, this release delivers stability improvements and addresses issues found in previous releases...

Virtuozzo Hybrid Infrastructure 6.0 Update 1 Hotfix 9 (6.0.1-102)

This update provides security and stability fixes. Vulnerability id: VSTOR-75009, VSTOR-76816 Stability fixes for the hypervisor. Vulnerability id: VSTOR-86808 Fixed an issue with delayed file creation on NFS. Vulnerability id: VSTOR-88495 Fixed a high availability issue with incorrect paths of N...

Virtuozzo Hybrid Infrastructure 5.4 Update 4 Hotfix 2 (5.4.4-132)

This update provides important stability, security, and performance improvements. Vulnerability id: VSTOR-75357 Fixed a critical security vulnerability. Vulnerability id: VSTOR-76306 Fixed a problem that may occur while closing files with erasure coding. Vulnerability id: VSTOR-76257 Add the...

Virtuozzo ReadyKernel patch 129.0 for Virtuozzo Hybrid Server 7.0, 7.5 and Virtuozzo Hybrid Infrastructure 3.5, 4.0, 4.5, 4.6

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7 and Virtuozzo Hybrid Infrastructure. Vulnerability id: PSBM-130317 3.10.0-1062.4.2.vz7.116.7 to 3.10.0-1127.18.2.vz7.163.46 e2fsck considered the fi...

[Security] Virtuozzo ReadyKernel patch 126.0 for Virtuozzo Hybrid Server 7.0, 7.5 and Virtuozzo Hybrid Infrastructure 3.5, 4.0, 4.5

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7 and Virtuozzo Hybrid Infrastructure. Vulnerability id: PSBM-128405 3.10.0-1062.4.2.vz7.116.7 to 3.10.0-1127.18.2.vz7.163.46 netfilter:...

Virtuozzo Hybrid Infrastructure 7.1 Hotfix 2 (7.1.0-190)

This update provides important stability fixes. Vulnerability id: VSTOR-115013 A stability fix for libvirt. Vulnerability id: VSTOR-115455 Failed to add a node to the compute cluster. Vulnerability id: VSTOR-118628 Fixed missing FUA write processing on dm-qcow2 and dm-ploop devices...

Virtuozzo Hybrid Infrastructure 6.1 Update 1 Hotfix 3 (6.1.1-44)

This update provides important security fixes. Vulnerability id: VSTOR-88638 A security fix for CVE-2024-6387. Other security and stability fixes for OpenSSH...

[Important] [Security] Virtuozzo ReadyKernel Patch 164.1 for Virtuozzo Hybrid Server 7.5

The cumulative Virtuozzo ReadyKernel patch was updated with security fixes. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7.5. Vulnerability id: CVE-2023-32233 3.10.0-1160.53.1.vz7.185.3 to 3.10.0-1160.90.1.vz7.200.7 Fixed a use-after-free vulnerability that occurred if...

[Important] [Security] Virtuozzo ReadyKernel Patch 158.1 for Virtuozzo Hybrid Server 7.5

The cumulative Virtuozzo ReadyKernel patch was updated with security fixes. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7.5. Vulnerability id: CVE-2023-0590 3.10.0-1160.41.1.vz7.183.5 to 3.10.0-1160.80.1.vz7.191.4 A use-after-free while changing the network packet...

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 1 (7.5.2-444)

The Hotfix 1 for Virtuozzo Hybrid Server 7.5 Update 2 provides new features as well as stability and usability bug fixes. Vulnerability id: PSBM-134035 libvirtd could stop responding during VM autostart after node reboot. Vulnerability id: PSBM-134221 virtio-scsi could abort inside a guest during...

Kernel update: Virtuozzo ReadyKernel patch 131.1 for Virtuozzo Hybrid Server 7.5

The cumulative Virtuozzo ReadyKernel patch was updated with a stability fix. The patch applies to the kernels 3.10.0-1127.18.2.vz7.163.46 Virtuozzo Hybrid Server 7.5, 3.10.0-1160.21.1.vz7.174.13 Virtuozzo Hybrid Server 7.5 Update 1. Vulnerability id: PSBM-130508 3.10.0-1127.18.2.vz7.163.46 to...

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 5 Hotfix 3 (7.0.5-646)

The Hotfix 3 for Virtuozzo 7.0 Update 5 provides security and stability bug fixes. Vulnerability id: CVE-2017-13672, PSBM-72398 QEMU aka Quick Emulator, when built with the VGA display emulator support, allows local guest OS privileged users to cause a denial of service out-of-bounds read and QEM...

Important kernel security update: CVE-2017-1000364; Virtuozzo 7.0 Update 4 Hotfix 3 (7.0.4-1107)

The new update for Virtuozzo 7.0.4 provides a security fix. Vulnerability id: CVE-2017-1000364, PSBM-67428 A flaw was found in the way memory was being allocated on the stack for user space binaries. If heap or different memory region and stack memory regions were adjacent to each other, an...

Kernel security update: Virtuozzo ReadyKernel patch 17.0 for kernels 3.10.0-327.18.2.vz7.15.2 (Virtuozzo 7.0.0), 3.10.0-327.36.1.vz7.18.7 (Virtuozzo 7.0.1), and 3.10.0-327.36.1.vz7.20.18 (Virtuozzo 7.0.3)

The cumulative Virtuozzo ReadyKernel patch updated with a security fix. The patch applies to Virtuozzo versions 7.0.0, 7.0.1, and 7.0.3. Vulnerability id: CVE-2017-7308 The packetsetring function in net/packet/afpacket.c in the Linux kernel through 4.10.6 does not properly validate certain...

Virtuozzo Hybrid Infrastructure 7.1 Hotfix 1 (7.1.0-187)

This update provides important security fixes. Vulnerability id: VSTOR-89294 A fix for volume attachment. Vulnerability id: VSTOR-107377 Failed to move domains to a mount point during an update. Vulnerability id: VSTOR-111693 A stability fix for QEMU. Vulnerability id: VSTOR-115326 Failed to set...

Virtuozzo Hybrid Infrastructure 6.2 Update 1 Hotfix 7 (6.2.1-97)

This update provides stability fixes and support for cumulative updates. Clusters running version 6.2.1 or later can now upgrade directly to the latest available version in a single step. Vulnerability id: VSTOR-91715 Failed to retry updating the kernel. Vulnerability id: VSTOR-93149, VSTOR-10082...

[Important] [Security] Virtuozzo ReadyKernel Patch 168.1 for Virtuozzo Hybrid Server 7.5

The cumulative Virtuozzo ReadyKernel patch was updated with security fixes. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7.5. Vulnerability id: PSBM-156977 3.10.0-1160.80.1.vz7.191.4 to 3.10.0-1160.105.1.vz7.214.3 netfilter: A use-after-free vulnerability in 'mtypedestroy...

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...

Kernel update: Virtuozzo ReadyKernel patch 93.0 for Virtuozzo 7.0

The cumulative Virtuozzo ReadyKernel patch was updated with a stability fix. The patch applies to the kernel 3.10.0-1062.4.2.vz7.116.6 Virtuozzo 7.0.12. Vulnerability id: PSBM-100158 Memory leak in kvm: kernel structures for a VM could remain after the VM was stopped...

Kernel security update: Virtuozzo ReadyKernel patch 67.0 for Virtuozzo 7.0.8 and 7.0.8 HF1

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to Virtuozzo kernels 3.10.0-862.9.1.vz7.63.3 7.0.8 and 3.10.0-862.11.6.vz7.64.7 7.0.8 HF1. Vulnerability id: CVE-2018-14646 The Linux kernel was found to be vulnerable to a NULL pointer...

Kernel security update: CVE-2017-7533; Virtuozzo ReadyKernel patch 28.0 for Virtuozzo 7.0.x

The cumulative Virtuozzo ReadyKernel patch was updated with a security fix. The patch applies to Virtuozzo kernels 3.10.0-327.18.2.vz7.15.2 Virtuozzo 7.0.0, 3.10.0-327.36.1.vz7.18.7 Virtuozzo 7.0.1, 3.10.0-327.36.1.vz7.20.18 Virtuozzo 7.0.3, 3.10.0-514.16.1.vz7.30.10 Virtuozzo 7.0.4,...

Important kernel security update: Virtuozzo ReadyKernel patch 14.0 for kernels 3.10.0-327.18.2.vz7.15.2 (Virtuozzo 7.0.0), 3.10.0-327.36.1.vz7.18.7 (Virtuozzo 7.0.1), and 3.10.0-327.36.1.vz7.20.18 (Virtuozzo 7.0.3)

The cumulative Virtuozzo ReadyKernel patch updated with security fixes. The patch applies to Virtuozzo versions 7.0.0, 7.0.1, and 7.0.3. Vulnerability id: CVE-2017-6074 A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol DCCP implementation freed SKB...

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...

[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 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 Update 1 (5.3.1-38)

This update provides new features for security, monitoring, and the compute service, as well as bug fixes and improvements. Vulnerability id: VSTOR-60452 It is impossible to start a cluster update after an eligibility check failure. Vulnerability id: VSTOR-60459 A stability fix for Windows...

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...

Product update: Virtuozzo 7.0 Update 12 Hotfix 2 (7.0.12-354)

The Hotfix 2 for Virtuozzo 7.0 Update 12 provides stability and usability bug fixes. Vulnerability id: PSBM-98208 vzlicmonitor could incorrectly show license state as "GRACED". Vulnerability id: PSBM-99949 Unable to restore corrupted ploop images with ploopdefrag. Vulnerability id: PSBM-101024...

Kernel security update: Virtuozzo ReadyKernel patch 71.0 for Virtuozzo 7.0.6 to 7.0.8 HF1 and Virtuozzo Infrastructure Platform 2.5

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to Virtuozzo kernels 3.10.0-693.1.1.vz7.37.30 Virtuozzo 7.0.6 to 3.10.0-862.11.6.vz7.64.7 Virtuozzo 7.0.8 HF1 and 3.10.0-862.20.2.vz7.73.24 Virtuozzo Infrastructure Platform 2.5...

Kernel security update: CVE-2018-5344 and other; Virtuozzo ReadyKernel patch 43.0 for Virtuozzo 7.0.x

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to all supported Virtuozzo kernels. NOTE: No more patches are planned for kernel 3.10.0-327.18.2.vz7.15.2, support for which ends with this update. Vulnerability id: CVE-2018-5344 It was...

Kernel security update: CVE-2017-15274; Virtuozzo ReadyKernel patch 34.0 for Virtuozzo 7.0.x

The cumulative Virtuozzo ReadyKernel patch was updated with a security fix. The patch applies to Virtuozzo kernels 3.10.0-327.18.2.vz7.15.2 Virtuozzo 7.0.0, 3.10.0-327.36.1.vz7.18.7 Virtuozzo 7.0.1, 3.10.0-327.36.1.vz7.20.18 Virtuozzo 7.0.3, 3.10.0-514.16.1.vz7.30.10 Virtuozzo 7.0.4,...

Important kernel security update: CVE-2017-14489 and other; Virtuozzo ReadyKernel patch 31.1 for Virtuozzo 7.0.1, 7.0.3, 7.0.4, 7.0.4 HF3, 7.0.5

The cumulative Virtuozzo ReadyKernel patch was updated with security fixes. The patch applies to Virtuozzo kernels 3.10.0-327.36.1.vz7.18.7 Virtuozzo 7.0.1, 3.10.0-327.36.1.vz7.20.18 Virtuozzo 7.0.3, 3.10.0-514.16.1.vz7.30.10 Virtuozzo 7.0.4, 3.10.0-514.16.1.vz7.30.15 Virtuozzo 7.0.4 HF3, and...

Important kernel security update: CVE-2017-14489 and other; Virtuozzo ReadyKernel patch 31.1 for Virtuozzo 7.0.0

The cumulative Virtuozzo ReadyKernel patch was updated with security fixes. The patch applies to Virtuozzo kernel 3.10.0-327.18.2.vz7.15.2 Virtuozzo 7.0.0. Vulnerability id: PSBM-72405 An unprivileged user inside a container could cause a denial of service kernel crash in userread function using ...