{"id":"CVE-2024-4693","title":"Qemu-kvm: virtio-pci: improper release of configure vector leads to guest triggerable crash","summary":"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 maliciou…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-672"],"vendor":"Red Hat","product":"qemu","affected":["qemu","qemu-kvm","qemu-kvm","qemu-kvm-ma","virt:rhel/qemu-kvm","virt:av/qemu-kvm","qemu-kvm (all versions)"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-05-14T18:18:57.606294Z"},"published":"2024-05-10","updated":"2026-11-05","sourceUpdated":"2026-11-05T12:50:56.944Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-4693","references":[{"url":"https://access.redhat.com/security/cve/CVE-2024-4693"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2279965","label":"RHBZ#2279965"}],"tags":["cve.org"],"epss":0.00324,"epssPercentile":0.25537,"ingestedAt":"2026-11-05T21:36:00.839Z","slug":"CVE-2024-4693","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `qemu`\n- `qemu-kvm`\n- `qemu-kvm`\n- `qemu-kvm-ma`\n- `virt:rhel/qemu-kvm`\n- `virt:av/qemu-kvm`\n- `qemu-kvm (all versions)`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}