{
  "id": "CVE-2020-8428",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-01-29T00:15:10.953",
  "lastModified": "2020-06-10T20:15:14.563",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed."
    },
    {
      "lang": "es",
      "value": "El archivo fs/namei.c en el kernel de Linux versiones anteriores a 5.5, presenta una vulnerabilidad de uso de la memoria previamente liberada en la funci\u00f3n may_create_in_sticky, que permite a usuarios locales causar una denegaci\u00f3n de servicio (OOPS) u obtener informaci\u00f3n confidencial de la memoria del kernel, tambi\u00e9n se conoce como CID-d0cb50185ae9. Un vector de ataque puede ser una llamada de sistema abierta para un socket del dominio UNIX, si el socket est\u00e1 siendo movido hacia un nuevo directorio padre y su antiguo directorio padre est\u00e1 siendo eliminado."
    }
  ],
  "metrics": {
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        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.2
      }
    ],
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        "source": "nvd@nist.gov",
        "type": "Primary",
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          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:P",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 3.6
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.9,
        "impactScore": 4.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
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          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html",
      "source": "cve@mitre.org"
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    {
      "url": "http://www.openwall.com/lists/oss-security/2020/01/28/4",
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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    {
      "url": "http://www.openwall.com/lists/oss-security/2020/02/02/1",
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      "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6",
      "source": "cve@mitre.org",
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      "url": "https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
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    {
      "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html",
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    {
      "url": "https://security.netapp.com/advisory/ntap-20200313-0003/",
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    {
      "url": "https://usn.ubuntu.com/4318-1/",
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    {
      "url": "https://usn.ubuntu.com/4319-1/",
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    {
      "url": "https://usn.ubuntu.com/4320-1/",
      "source": "cve@mitre.org"
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    {
      "url": "https://usn.ubuntu.com/4324-1/",
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    {
      "url": "https://usn.ubuntu.com/4325-1/",
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    {
      "url": "https://www.debian.org/security/2020/dsa-4667",
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    {
      "url": "https://www.debian.org/security/2020/dsa-4698",
      "source": "cve@mitre.org"
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      "url": "https://www.openwall.com/lists/oss-security/2020/01/28/2",
      "source": "cve@mitre.org",
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}