CVE-2024-4693 (CVSS 5.5)

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.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-672 CWE-672

References

Other References

https://access.redhat.com/security/cve/CVE-2024-4693 https://bugzilla.redhat.com/show_bug.cgi?id=2279965 https://access.redhat.com/security/cve/CVE-2024-4693 https://bugzilla.redhat.com/show_bug.cgi?id=2279965 https://security.netapp.com/advisory/ntap-20240828-0007/

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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-4693? +

CVE-2024-4693 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2024-4693? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-4693