FKIE_CVE-2018-12928

Vulnerability from fkie_nvd - Published: 2018-06-28 14:29 - Updated: 2026-06-17 01:38
Severity
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel 4.15.0, a NULL pointer dereference was discovered in hfs_ext_read_extent in hfs.ko. This can occur during a mount of a crafted hfs filesystem.
References
cve@mitre.orghttp://www.securityfocus.com/bid/104593Third Party Advisory, VDB Entry
cve@mitre.orghttps://bugs.launchpad.net/ubuntu/+source/linux/+bug/1763384Issue Tracking, Third Party Advisory
cve@mitre.orghttps://marc.info/?l=linux-fsdevel&m=152407263325766&w=2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/104593Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1763384Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://marc.info/?l=linux-fsdevel&m=152407263325766&w=2Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel 4.15
canonical ubuntu_linux 16.04.4
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
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              "vulnerable": true
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel 4.15.0, a NULL pointer dereference was discovered in hfs_ext_read_extent in hfs.ko. This can occur during a mount of a crafted hfs filesystem."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux 4.15.0, se ha descubierto una desreferencia de puntero NULL en hfs_ext_read_extent en hfs.ko. Esto puede ocurrir cuando se monta un sistema de archivos hfs manipulado."
    }
  ],
  "id": "CVE-2018-12928",
  "lastModified": "2026-06-17T01:38:35.990",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
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          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
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          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2018-06-28T14:29:00.353",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
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        "VDB Entry"
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      "url": "http://www.securityfocus.com/bid/104593"
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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