---
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'
---

## Overview

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.

## Affected

- `qemu`
- `qemu-kvm`
- `qemu-kvm`
- `qemu-kvm-ma`
- `virt:rhel/qemu-kvm`
- `virt:av/qemu-kvm`
- `qemu-kvm (all versions)`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.