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High ALSA-2026:88421 1 CVE

Important: qemu-kvm security, bug fix, and enhancement update

Published Oct 22, 2026 · Updated Nov 4, 2026

Summary

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.

Security Fix(es):

* qemu-kvm: qemu-guest-agent: Local privilege escalation via symlink attack in guest-ssh-add-authorized-keys (CVE-2026-12080)

Bug Fix(es) and Enhancement(s):

* qemu-img can't create a qcow2 overlay with 'data_file' feature on top of a file without destroying the original image [almalinux-9.8.z] (JIRA:AlmaLinux-164549)
* live migration of a VM with a scsi3pr to a node that previously held a reservation on that disk fails. [almalinux-9.8.z] (JIRA:AlmaLinux-280223)
* Fix pending QEMU issues for L1VH GA - QEMU [almalinux-9.8.z] (JIRA:AlmaLinux-283121)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 20

ReleasePackageFixed in
AlmaLinux · 9 qemu-guest-agent 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-img 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-audio-pa 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-block-blkio 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-block-curl 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-block-rbd 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-common 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-core 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-device-display-virtio-gpu 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-device-display-virtio-gpu-ccw 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-device-display-virtio-gpu-pci 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-device-display-virtio-vga 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-device-usb-host 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-device-usb-redirect 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-docs 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-tools 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-ui-egl-headless 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-kvm-ui-opengl 17:10.1.0-17.el9_8.9.alma.1
AlmaLinux · 9 qemu-pr-helper 17:10.1.0-17.el9_8.9.alma.1

Vulnerabilities 1

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-12080
  • report
    https://bugzilla.redhat.com/2499603
  • advisory
    https://errata.almalinux.org/9/ALSA-2026-88421.html