CVE-2024-4693

CVE-2024-4693 is a medium-severity vulnerability with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-672.

Key facts

Description

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.

Frequently asked questions

What is CVE-2024-4693?
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.
How severe is CVE-2024-4693?
CVE-2024-4693 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-4693 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-4693?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-4693 have an EU (EUVD) identifier?
Yes. CVE-2024-4693 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44292.
When was CVE-2024-4693 published?
CVE-2024-4693 was published on 2024-05-14 and last updated on 2026-06-17.

References

Other CWE-672 (Operation on a Resource after Expiration or Release) vulnerabilities

Browse all CWE-672 (Operation on a Resource after Expiration or Release) vulnerabilities →