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The ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular isochronous transfer descriptor (iTD) list.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade qemu-kvmUpgrade qemu | Feb 9, 2016 | Feb 8, 2016 |
| Freebsd | — | Upgrade qemuUpgrade qemu-user-staticUpgrade qemu-sbrunoUpgrade qemu-devel | Dec 10, 2025 | Jan 3, 2016 |
| Gentoo Linux | — | Upgrade app-emulation/qemu. | Oct 30, 2017 | May 23, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade qemu-kvm-commonUpgrade qemu-imgUpgrade qemu-kvm | Dec 4, 2019 | May 23, 2016 |
| Huawei Euleros 2_0_sp3 | — | Upgrade qemu-kvmUpgrade qemu-imgUpgrade qemu-kvm-common | Apr 16, 2020 | May 23, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Dec 10, 2015 |
| Suse | — | Upgrade xen-toolsUpgrade qemu-skibootUpgrade qemu-guest-agentUpgrade qemu-block-iscsiUpgrade xen-kmp-paeUpgrade xen-kmp-traceUpgrade qemu-audio-paUpgrade qemu-chardev-baumUpgrade qemu-kvmUpgrade qemu-ppcUpgrade qemu-block-curlUpgrade qemu-ui-spice-coreUpgrade qemu-block-sshUpgrade qemu-microvmUpgrade qemu-audio-alsaUpgrade qemu-ui-spice-appUpgrade xenUpgrade qemu-seabiosUpgrade qemu-s390xUpgrade qemu-ui-gtkUpgrade qemu-block-rbdUpgrade qemu-langUpgrade qemu-hw-usb-redirectUpgrade qemu-ksmUpgrade qemu-s390Upgrade xen-develUpgrade qemu-ui-cursesUpgrade qemu-hw-display-virtio-gpu-pciUpgrade qemu-audio-ossUpgrade qemu-ui-openglUpgrade kvmUpgrade xen-libs-32bitUpgrade qemu-audio-spiceUpgrade qemu-hw-display-qxlUpgrade xen-libsUpgrade qemu-sgabiosUpgrade xen-tools-xendomains-wait-diskUpgrade qemu-x86Upgrade qemu-chardev-spiceUpgrade xen-doc-htmlUpgrade qemuUpgrade xen-doc-pdfUpgrade xen-tools-domUUpgrade xen-kmp-defaultUpgrade qemu-hw-display-virtio-vgaUpgrade qemu-hw-display-virtio-gpuUpgrade qemu-armUpgrade qemu-hw-s390x-virtio-gpu-ccwUpgrade qemu-vgabiosUpgrade qemu-ipxeUpgrade qemu-tools | Mar 24, 2016 | Mar 24, 2016 |
| Ubuntu | — | Upgrade qemu-systemUpgrade qemu-system-armUpgrade qemu-system-x86Upgrade qemu-kvmUpgrade qemu-system-sparcUpgrade qemu-system-miscUpgrade qemu-system-mipsUpgrade qemu-system-aarch64Upgrade qemu-system-ppc | Feb 3, 2016 | Feb 3, 2016 |
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