{
  "id": "CVE-2016-3157",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2016-04-12T16:59:02.423",
  "lastModified": "2016-12-03T03:26:39.553",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n __switch_to en arch/x86/kernel/process_64.c en el kernel de Linux no sustituye correctamente el conmutador de contexto IOPL en invitados 64-bit PV Xen, lo que permite a usuarios locales del SO invitado obtener privilegios, provocar una denegaci\u00f3n de servicio (ca\u00edda del SO invitado), u obtener informaci\u00f3n sensible aprovechando el puerto de acceso I/O."
    }
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          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
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          "baseScore": 7.8,
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        "obtainAllPrivilege": false,
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      "url": "http://www.debian.org/security/2016/dsa-3607",
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}