CVE-2018-7740

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
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.
Overview
  • CVE ID
  • CVE-2018-7740
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-03-07T08:29:00
  • Last Modified Date
  • 2019-03-18T19:31:01
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.15.7
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://bugzilla.kernel.org/show_bug.cgi?id=199037 Exploit Issue Tracking Third Party Advisory
http://www.securityfocus.com/bid/103316 Third Party Advisory VDB Entry
https://www.debian.org/security/2018/dsa-4188 Third Party Advisory
https://www.debian.org/security/2018/dsa-4187 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
https://usn.ubuntu.com/3910-2/ Third Party Advisory
https://usn.ubuntu.com/3910-1/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7740
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7740
History
Created Old Value New Value Data Type Notes
2022-05-10 17:46:47 Added to TrackCVE
2022-12-03 03:05:18 2018-03-07T08:29Z 2018-03-07T08:29:00 CVE Published Date updated
2022-12-03 03:05:18 2019-03-18T19:31:01 CVE Modified Date updated
2022-12-03 03:05:18 Analyzed Vulnerability Status updated