gsd-2021-4147
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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.
Aliases
Aliases
CVE-2021-4147


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-4147",
    "description": "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.",
    "id": "GSD-2021-4147",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-4147.html",
      "https://ubuntu.com/security/CVE-2021-4147"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-4147"
      ],
      "details": "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.",
      "id": "GSD-2021-4147",
      "modified": "2023-12-13T01:23:11.703789Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2021-4147",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "libvirt",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "libvirt 2.33.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
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      "data_type": "CVE",
      "data_version": "4.0",
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            "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."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
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            "description": [
              {
                "lang": "eng",
                "value": "CWE-667"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2034195",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2034195"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20220513-0004/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20220513-0004/"
          },
          {
            "name": "[debian-lts-announce] 20240401 [SECURITY] [DLA 3778-1] libvirt security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DEBF2F3F-7EE0-4F7A-8D57-5097E633B205",
                    "versionEndExcluding": "2.33.0",
                    "vulnerable": true
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                "negate": false,
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          },
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                ],
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        "descriptions": [
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            "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": "2024-04-01T13:16:54.843",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "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,
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          "cvssMetricV31": [
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                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
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        },
        "published": "2022-03-25T19:15:09.643",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Issue Tracking",
              "Patch",
              "Vendor Advisory"
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          },
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            "tags": [
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            "url": "https://security.netapp.com/advisory/ntap-20220513-0004/"
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        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
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            "source": "secalert@redhat.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}


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