FKIE_CVE-2018-7740

Vulnerability from fkie_nvd - Published: 2018-03-07 08:29 - Updated: 2026-06-17 02:03
Severity
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call.
References
cve@mitre.orghttp://www.securityfocus.com/bid/103316Third Party Advisory, VDB Entry
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3083Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3096Third Party Advisory
cve@mitre.orghttps://bugzilla.kernel.org/show_bug.cgi?id=199037Exploit, Issue Tracking, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3910-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3910-2/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2018/dsa-4187Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2018/dsa-4188Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/103316Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3083Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3096Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.kernel.org/show_bug.cgi?id=199037Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3910-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3910-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4187Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4188Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
redhat virtualization_host 4.0
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
debian debian_linux 7.0
debian debian_linux 8.0
debian debian_linux 9.0
redhat enterprise_linux_desktop 7.0
redhat enterprise_linux_server 7.0
redhat enterprise_linux_workstation 7.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
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              "matchCriteriaId": "87875BCC-05C4-4C72-AB6B-5FD9E4E74521",
              "versionEndIncluding": "4.15.7",
              "vulnerable": true
            }
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          "operator": "OR"
        }
      ]
    },
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              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n resv_map_release en mm/hugetlb.c en el kernel de Linux hasta la versi\u00f3n 4.15.7 permite que usuarios locales provoquen una denegaci\u00f3n de servicio (error) mediante una aplicaci\u00f3n manipulada que realiza llamadas del sistema mmap y tiene un argumento grande pgoff en la llamada del sistema remap_file_pages."
    }
  ],
  "id": "CVE-2018-7740",
  "lastModified": "2026-06-17T02:03:37.817",
  "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",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "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"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-03-07T08:29:00.433",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
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    },
    {
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    {
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      "url": "https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html"
    },
    {
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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