{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:x86:*",
              "matchCriteriaId": "3FA33EE3-601B-4EC1-AC17-F948E8486DE5",
              "versionEndIncluding": "5.11.3",
              "versionStartIncluding": "5.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "BFA1950D-1D9F-4401-AA86-CF3028EFD286",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "AND"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "5C2089EE-5D7F-47EC-8EA5-0F69790564C4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*",
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              "vulnerable": true
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          ],
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          "operator": "OR"
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the Linux kernel 5.9.x through 5.11.3, as used with Xen. In some less-common configurations, an x86 PV guest OS user can crash a Dom0 or driver domain via a large amount of I/O activity. The issue relates to misuse of guest physical addresses when a configuration has CONFIG_XEN_UNPOPULATED_ALLOC but not CONFIG_XEN_BALLOON_MEMORY_HOTPLUG."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en el kernel de Linux versiones 5.9.x hasta 5.11.3, como es usada con Xen.\u0026#xa0;En algunas configuraciones menos comunes, un usuario de Sistema Operativo invitado PV x86 puede bloquear un dominio de controlador o Dom0 por medio de una gran cantidad de actividad de I/O.\u0026#xa0;El problema se relaciona con el uso indebido de las direcciones f\u00edsicas de invitados cuando una configuraci\u00f3n presenta CONFIG_XEN_UNPOPULATED_ALLOC pero no CONFIG_XEN_BALLOON_MEMORY_HOTPLUG"
    }
  ],
  "id": "CVE-2021-28039",
  "lastModified": "2024-11-21T05:59:01.627",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 2.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 4.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-03-05T18:15:13.190",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2021/03/05/2"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/xsa/advisory-369.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2"
    },
    {
      "source": "cve@mitre.org",
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        "Third Party Advisory"
      ],
      "url": "https://security.netapp.com/advisory/ntap-20210409-0001/"
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      "tags": [
        "Mailing List",
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      "url": "http://www.openwall.com/lists/oss-security/2021/03/05/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/xsa/advisory-369.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://security.netapp.com/advisory/ntap-20210409-0001/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-131"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}