CVE-2024-4693

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

At a glance

Severity
MEDIUM 5.5
EPSS
EPSS 0.32 % · percentile 25 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Deferred

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.

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hredhat
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · secalert@redhat.com (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected products

ProductVersions
qemuunaffected 7eeb62b0ce3a8f64647bf53f93903abd1fbb0b94 < *
Red Hat · Red Hat Enterprise Linux 6
Red Hat · Red Hat Enterprise Linux 7
Red Hat · Red Hat Enterprise Linux 7
Red Hat · Red Hat Enterprise Linux 8
Red Hat · Red Hat Enterprise Linux 8 Advanced Virtualization
Red Hat · Red Hat Enterprise Linux 9

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD