{
  "id": "CVE-2020-15437",
  "sourceIdentifier": "securities@openeuler.org",
  "published": "2020-11-23T21:15:11.890",
  "lastModified": "2024-11-21T05:05:33.347",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized."
    },
    {
      "lang": "es",
      "value": "El kernel de Linux anterior a versi\u00f3n 5.8 es vulnerable a una desreferencia del puntero NULL en drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() que permite a usuarios locales causar una denegaci\u00f3n de servicio utilizando el puntero p-)serial_in que no se inicializ\u00f3"
    }
  ],
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          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 3.6
      }
    ],
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        "source": "nvd@nist.gov",
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        "cvssData": {
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          "baseScore": 4.9,
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
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          "cpeMatch": [
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  "references": [
    {
      "url": "https://lkml.org/lkml/2020/7/21/80",
      "source": "securities@openeuler.org",
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}