{
  "GSD": {
    "alias": "CVE-2021-28039",
    "description": "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.",
    "id": "GSD-2021-28039",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-28039.html",
      "https://advisories.mageia.org/CVE-2021-28039.html",
      "https://security.archlinux.org/CVE-2021-28039"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      "aliases": [
        "CVE-2021-28039"
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      "details": "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.",
      "id": "GSD-2021-28039",
      "modified": "2023-12-13T01:23:29.104803Z",
      "schema_version": "1.4.0"
    }
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            "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."
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            "name": "http://xenbits.xen.org/xsa/advisory-369.html",
            "refsource": "MISC",
            "url": "http://xenbits.xen.org/xsa/advisory-369.html"
          },
          {
            "name": "[oss-security] 20210305 Xen Security Advisory 369 v2 (CVE-2021-28039) - Linux: special config may crash when trying to map foreign pages",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2021/03/05/2"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20210409-0001/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20210409-0001/"
          },
          {
            "name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2",
            "refsource": "MISC",
            "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2"
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      "cve": {
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            "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."
          },
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            "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"
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        ],
        "id": "CVE-2021-28039",
        "lastModified": "2024-03-25T01:15:50.483",
        "metrics": {
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              "baseSeverity": "LOW",
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                "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",
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                "confidentialityImpact": "NONE",
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        "published": "2021-03-05T18:15:13.190",
        "references": [
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            "source": "cve@mitre.org",
            "tags": [
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}