CVE-2024-4693 Qemu-kvm: virtio-pci: improper release of configure vector leads to guest triggerable crash

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 vhostnetstop. This flaw allows a malicious guest to crash the QEMU process on the host...