Issued:
2026-04-21
Updated:
2026-04-21

RHBA-2026:9301 - virtio-win bug fix and enhancement update

Synopsis

virtio-win bug fix and enhancement update

Type/Severity

Bug Fix Advisory None

Topic

An update for virtio-win is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

Description

Kernel-based Virtual Machine (KVM) offers a full virtualization solution forLinux on numerous hardware platforms. The virt:rhel module contains packageswhich provide user-space components used to run virtual machines using KVM.The packages also provide APIs for managing and interacting with the virtualized systems.

Bug Fix(es) and Enhancement(s):

  • [virtio-win] viostor: Multiple fixes for the queue\vector mappings [rhel-9.6.z] (JIRA:RHEL-151710)

  • viostor: Fix device configuration updates [rhel-9.6.z] (JIRA:RHEL-151712)

  • Install vsock bridge service via virtio-win installer [rhel-9.6.z] (JIRA:RHEL-151720)

  • [QGA-VSS] Windows 2019 server - fs freeze does not work properly - access is denied to IVssWriterCallback [rhel-9.6.z] (JIRA:RHEL-151954)

  • BSOD screen doesn't show up with VirtIO VGA and dump fails on Win10 x86 [rhel-9.6.z] (JIRA:RHEL-152238)

  • viostor: Buffer overrun in unmap code [rhel-9.6.z] (JIRA:RHEL-159106)

  • Multiple BSODs on Windows virtual machines with message "Stop code: PFN LIST CORRUPT" [rhel-9.6.z] (JIRA:RHEL-159188)

  • The static IP address loss after virtio-win drivers install for V2V migrated VMs - RHEL9.6.Z (JIRA:RHEL-160805)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions9.6x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support9.6x86_64
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle9.6x86_64
Red Hat Enterprise Linux Server - AUS9.6x86_64

Updated Packages

  • virtio-win-1.9.57-0.el9_6.noarch.rpm
  • virtio-win-1.9.57-0.el9_6.src.rpm

Fixes

CVEs

(none)

References

(none)

Additional information