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                            CVE-2024-4693

                            Written by Mission Secure

                            Qemu: virtio-pci: improper release of configure vector leads to guest triggerable crash

                            CVE-2024-4693 highlights a vulnerability in QEMU Virtio PCI Bindings, which can lead to a guest-triggered crash via vhost_net_stop(). This flaw allows a malicious guest to crash the QEMU process on the host, potentially disrupting OT operations relying on virtualized environments.

                            From the CVE database:

                            A flaw was found in the QEMU Virtio PCI Bindings (hw/virtio/virtio-pci.c). An improper release and use of the irqfd for vector 0 during the boot process leads to a guest triggerable crash via vhost_net_stop(). This flaw allows a malicious guest to crash the QEMU process on the host.

                            https://www.cve.org/CVERecord?id=CVE-2024-4693

                             

                            Originally published May 10, 2024.

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