fkie_cve-2021-4147
Vulnerability from fkie_nvd
Published
2022-03-25 19:15
Modified
2024-11-21 06:37
Severity ?
Summary
A flaw was found in the libvirt libxl driver. A malicious guest could continuously reboot itself and cause libvirtd on the host to deadlock or crash, resulting in a denial of service condition.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=2034195 | Issue Tracking, Patch, Vendor Advisory | |
| secalert@redhat.com | https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html | ||
| secalert@redhat.com | https://security.netapp.com/advisory/ntap-20220513-0004/ | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=2034195 | Issue Tracking, Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://security.netapp.com/advisory/ntap-20220513-0004/ | Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | libvirt | * | |
| fedoraproject | fedora | 35 | |
| netapp | ontap_select_deploy_administration_utility | - |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*",
"matchCriteriaId": "DEBF2F3F-7EE0-4F7A-8D57-5097E633B205",
"versionEndExcluding": "2.33.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
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"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
"matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA",
"vulnerable": true
}
],
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},
{
"nodes": [
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"matchCriteriaId": "E7CF3019-975D-40BB-A8A4-894E62BD3797",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in the libvirt libxl driver. A malicious guest could continuously reboot itself and cause libvirtd on the host to deadlock or crash, resulting in a denial of service condition."
},
{
"lang": "es",
"value": "Se ha encontrado un fallo en el controlador libvirt libxl. Un hu\u00e9sped malicioso podr\u00eda reiniciarse continuamente y causar que libvirtd en el host cerrarse o bloquearse, resultando en una condici\u00f3n de denegaci\u00f3n de servicio"
}
],
"id": "CVE-2021-4147",
"lastModified": "2024-11-21T06:37:00.193",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
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"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.9,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
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"cvssMetricV31": [
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"baseScore": 6.5,
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"scope": "CHANGED",
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"published": "2022-03-25T19:15:09.643",
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
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"value": "CWE-667"
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"source": "secalert@redhat.com",
"type": "Secondary"
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],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.