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GSD-2021-4158

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-4158",
    "description": "A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.",
    "id": "GSD-2021-4158",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-4158.html",
      "https://ubuntu.com/security/CVE-2021-4158",
      "https://linux.oracle.com/cve/CVE-2021-4158.html",
      "https://access.redhat.com/errata/RHSA-2022:1759",
      "https://access.redhat.com/errata/RHSA-2022:7967"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-4158"
      ],
      "details": "A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.",
      "id": "GSD-2021-4158",
      "modified": "2023-12-13T01:23:11.642375Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-4158",
        "STATE": "PUBLIC"
      },
      "affects": {
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            {
              "product": {
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                  {
                    "product_name": "QEMU",
                    "version": {
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                        {
                          "version_affected": "=",
                          "version_value": "Affects v6.0.0 and above."
                        }
                      ]
                    }
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                ]
              },
              "vendor_name": "n/a"
            }
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      "data_format": "MITRE",
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-476",
                "lang": "eng",
                "value": "CWE-476 - NULL Pointer Dereference"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://gitlab.com/qemu-project/qemu/-/issues/770",
            "refsource": "MISC",
            "url": "https://gitlab.com/qemu-project/qemu/-/issues/770"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2035002",
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          },
          {
            "name": "https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e",
            "refsource": "MISC",
            "url": "https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e"
          },
          {
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            "refsource": "MISC",
            "url": "https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html"
          }
        ]
      }
    },
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        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition."
          },
          {
            "lang": "es",
            "value": "Se ha encontrado un problema de desreferencia de puntero NULL en el c\u00f3digo ACPI de QEMU. Un usuario malicioso y con privilegios dentro del hu\u00e9sped pod\u00eda usar este fallo para bloquear el proceso de QEMU en el host, resultando en una situaci\u00f3n de denegaci\u00f3n de servicio."
          }
        ],
        "id": "CVE-2021-4158",
        "lastModified": "2024-01-25T21:29:39.943",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 6.0,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "HIGH",
                "scope": "CHANGED",
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        },
        "published": "2022-08-24T16:15:09.660",
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          {
            "source": "secalert@redhat.com",
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          }
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        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Analyzed",
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            "source": "nvd@nist.gov",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}



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