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KubeVirt

v1.9.1Orchestration & Management
Oct 12, 2026

OTHER 19

A maintenance release focused on correctness fixes and dependency updates. It includes fixes across guest behavior, storage, migration, hardware handling, and deployment configuration, with no disclosed security changes.

All 19 other recorded changesfixes 11 · value changes 7 · constraints 1

fixes (11)

  • Fixed a bug where a VM with RunStrategyRerunOnFailure incorrectly showed WaitingForVolumeBinding status after being manually stopped when its PVC was unbound.
  • BugFix: blockresize spam when doing I/O for filesystem volumes
  • Bug fix: Prevent guest OS from ejecting critical PCI devices (disks, memory balloon, RNG, watchdog) via hotplug mechanisms like the Windows "Safely Remove Hardware" tray menu.
  • BugFix: Prevent duplicate attachment pods when both utility volumes and hotplug volumes are used in a single VM
  • Bugfix: handle stale socket connections
  • Fix PCI passthrough regression on kernels without CONFIG_VFIO_DEVICE_CDEV support.
  • Bugfix: Fix VM restore when backend storage is not snapshottable
  • Bug fix: "virtctl evacuate-cancel" now works
  • Fix CallNodeHooks to evaluate plugin-level Spec.Condition, ensuring consistent behavior between domain hooks and node hooks.
  • BugFix: Online expansion scales poorly with many volumes
  • Bug fix: During live migration, domain stats collection no longer blocks on the libvirt job lock for up to 30 seconds.

value changes (7)

  • When Windows guest crashes and VM has a hyperv panic device configured, kubevirt no longer immediately terminates the VM and allows Windows to finish its default memory dump process and reboot.
  • Libvirt updated to 11.10.0-19.el9
  • deploy non-executable /var/lib/kubelet/seccomp/kubevirt/kubevirt.json
  • Memory overcommit is now ignored for VMIs with hugepages
  • Updated virt-template to v0.2.3
  • Add mandatory namespace label, cluster-scoped, to OrphanedVirtualMachineInstances and VirtLauncherPodsStuckFailed alerts
  • Backend storage PVC size is increased by 1Gi for VMs with CBT enabled.

constraints (1)

  • Vera Rubin GPU (10de:3041) is now recognised as a Grace GPU, enabling GraceIOVirtualization for VMs with a passthrough Vera Rubin GPU.
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