CVE-2024-4693
Full vulnerability record from the local CVENow database.
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.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2024-05-14 15:44:26.070000
Last modified
2026-11-05 13:17:06.180000
View original CVE JSON
{
"id": "CVE-2024-4693",
"sourceIdentifier": "[email protected]",
"published": "2024-05-14T15:44:26.070",
"lastModified": "2026-11-05T13:17:06.180",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Se encontró una falla en los enlaces QEMU Virtio PCI (hw/virtio/virtio-pci.c). Una liberación y un uso inadecuados del irqfd para el vector 0 durante el proceso de arranque provocan un fallo desencadenable por el invitado a través de vhost_net_stop(). Esta falla permite que un invitado malintencionado bloquee el proceso QEMU en el host."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"collectionURL": "https://gitlab.com/qemu-project/qemu",
"packageName": "qemu",
"repo": "https://gitlab.com/qemu-project/qemu",
"versions": [
{
"version": "7eeb62b0ce3a8f64647bf53f93903abd1fbb0b94",
"lessThan": "*",
"versionType": "git",
"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 6",
"defaultStatus": "unknown",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "qemu-kvm",
"cpes": [
"cpe:/o:redhat:rhel_els:6"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 7",
"defaultStatus": "unknown",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "qemu-kvm",
"cpes": [
"cpe:/o:redhat:rhel_els:7"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 7",
"defaultStatus": "unknown",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "qemu-kvm-ma",
"cpes": [
"cpe:/o:redhat:rhel_els:7"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8",
"defaultStatus": "unaffected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "virt:rhel/qemu-kvm",
"cpes": [
"cpe:/a:redhat:enterprise_linux:8"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8 Advanced Virtualization",
"defaultStatus": "unknown",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "virt:av/qemu-kvm",
"cpes": [
"cpe:/a:redhat:advanced_virtualization:8::el8"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9",
"defaultStatus": "affected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "qemu-kvm",
"cpes": [
"cpe:/a:redhat:enterprise_linux:9"
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2024-05-14T18:18:57.606294Z",
"id": "CVE-2024-4693",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-672"
}
]
}
],
"references": [
{
"url": "https://access.redhat.com/security/cve/CVE-2024-4693",
"source": "[email protected]"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2279965",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2024-4693",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2279965",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240828-0007/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
]
}