Virtuozzo Infrastructure 7.3 Update 1 Hotfix 1 (7.3.1-60)

Issue date: 2026-06-11

Applies to: Virtuozzo Infrastructure 7.3

Virtuozzo Advisory ID: VZA-2026-014

1. Overview

This update provides security and stability fixes.

2. Bug Fixes

  • Stale S3 lifecycle timestamps could cause objects to expire at incorrect times. (VSTOR-123887)

  • The Keystone service could fail to restart after log rotation. (VSTOR-127098)

  • A stability fix for QCOW2 images. (VSTOR-129336)

  • A stability fix for MDS. (VSTOR-130065)

  • A security fix for CVE-2026-31431. (VSTOR-130225)

  • A security fix for CVE-2022-2421. (VSTOR-130371)

  • Instance records could remain after deleting a transfer, causing stale data. (VSTOR-130531)

  • Security fixes for CVE-2026-43284 and CVE-2026-43500. (VSTOR-130767)

  • The HA replication state check could return outdated data when called within an open transaction. (VSTOR-131076)

  • Users could not unshelve instances with SR-IOV ports on networks with default_vnic_type=direct. (VSTOR-131395)

  • The backup gateway service could fail to synchronize updated registration settings to the upstream. (VSTOR-131456)

  • VMs with vhost-blk enabled could experience I/O errors on system disks under load. (VSTOR-131484)

  • A security fix for CVE-2026-46333. (VSTOR-131868)

  • A security fix for CVE-2026-46300. (VSTOR-132074)

  • VMware Tools could remain installed on Windows guest operating systems after migration from VMware. (VSTOR-132188)

  • Stability fixes for QEMU. (VSTOR-130135, VSTOR-132222)

  • An improvement in monitoring. (VSTOR-132477)

  • Failed to delete S3 objects from the UI. (VSTOR-132533)

  • Fixed a false-positive alert for SCSI disk failures. (VSTOR-132888)

  • A security fix for CVE-2026-49975. (VSTOR-133971)

3. Installing the Update

You can update Virtuozzo Infrastructure in the SETTINGS > UPDATES section of the admin panel. Placing nodes in the maintenance mode is required to obtain this update.

The source of this advisory is available in the JSON file.