FKIE_CVE-2018-14617

Vulnerability from fkie_nvd - Published: 2018-07-27 04:29 - Updated: 2026-06-17 01:41
Severity
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
An issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference and panic in hfsplus_lookup() in fs/hfsplus/dir.c when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.
References
cve@mitre.orghttp://www.securityfocus.com/bid/104917Third Party Advisory, VDB Entry
cve@mitre.orghttps://bugzilla.kernel.org/show_bug.cgi?id=200297Exploit, Issue Tracking, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3821-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3821-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4094-1/
cve@mitre.orghttps://usn.ubuntu.com/4118-1/
cve@mitre.orghttps://www.debian.org/security/2018/dsa-4308Third Party Advisory
cve@mitre.orghttps://www.spinics.net/lists/linux-fsdevel/msg130021.htmlIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/104917Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.kernel.org/show_bug.cgi?id=200297Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3821-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3821-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4094-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4118-1/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4308Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.spinics.net/lists/linux-fsdevel/msg130021.htmlIssue Tracking, Patch, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
debian debian_linux 8.0
debian debian_linux 9.0
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
To clipboard 

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  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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              "versionEndIncluding": "4.17.10",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference and panic in hfsplus_lookup() in fs/hfsplus/dir.c when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en el kernel de Linux hasta la versi\u00f3n 4.17.10. Hay una desreferencia de puntero NULL y p\u00e1nico en hfsplus_lookup() en fs/hfsplus/dir.c cuando se abre un archivo (que supuestamente es un enlace duro o hard link) en un sistema de archivos hfs+ que tiene datos de cat\u00e1logo mal formados y se monta en modo de solo lectura sin un directorio de metadatos."
    }
  ],
  "id": "CVE-2018-14617",
  "lastModified": "2026-06-17T01:41:17.950",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
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          "attackVector": "LOCAL",
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          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
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  "published": "2018-07-27T04:29:00.627",
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}



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Nomenclature

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