NVD

CVE-2018-7740 Detail

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.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 5.5 MEDIUM

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 4.9 MEDIUM

Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.securityfocus.com/bid/103316	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3083	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3096	Third Party Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=199037	Exploit Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html	Mailing List Third Party Advisory
https://usn.ubuntu.com/3910-1/	Third Party Advisory
https://usn.ubuntu.com/3910-2/	Third Party Advisory
https://www.debian.org/security/2018/dsa-4187	Third Party Advisory
https://www.debian.org/security/2018/dsa-4188	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

9 change records found show changes

Modified Analysis by NIST 3/18/2019 3:31:02 PM

Action

Type

Old Value

New Value

Changed

CPE Configuration

OR
     *cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
     *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
     *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
     *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
     *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
     *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

Record truncated, showing 500 of 548 characters.
View Entire Change Record

OR
     *cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
     *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
     *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
     *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
     *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
     *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
     *cpe:2.3:o:redha

Changed

Reference Type

https://usn.ubuntu.com/3910-1/ No Types Assigned

https://usn.ubuntu.com/3910-1/ Third Party Advisory

Changed

Reference Type

https://usn.ubuntu.com/3910-2/ No Types Assigned

https://usn.ubuntu.com/3910-2/ Third Party Advisory

Modified Analysis by NIST 3/04/2019 1:13:16 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:a:redhat:virtualization_host:4.0::::::: cpe:2.3:o:debian:debian_linux:7.0::::::: cpe:2.3:o:debian:debian_linux:8.0::::::: cpe:2.3:o:debian:debian_linux:9.0::::::: cpe:2.3:o:redhat:enterprise_linux_desktop:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_server:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::
Changed	Reference Type	https://access.redhat.com/errata/RHSA-2018:3083 No Types Assigned	https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
Changed	Reference Type	https://access.redhat.com/errata/RHSA-2018:3096 No Types Assigned	https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
Changed	Reference Type	https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html No Types Assigned	https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Mailing List, Third Party Advisory
Changed	Reference Type	https://www.debian.org/security/2018/dsa-4187 No Types Assigned	https://www.debian.org/security/2018/dsa-4187 Third Party Advisory
Changed	Reference Type	https://www.debian.org/security/2018/dsa-4188 No Types Assigned	https://www.debian.org/security/2018/dsa-4188 Third Party Advisory

Initial Analysis by NIST 3/27/2018 1:43:07 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:o:linux:linux_kernel::::::::* versions up to (including) 4.15.7
Added	CVSS V2		(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Added	CVSS V3		AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added	CWE		CWE-119
Changed	Reference Type	http://www.securityfocus.com/bid/103316 No Types Assigned	http://www.securityfocus.com/bid/103316 Third Party Advisory, VDB Entry
Changed	Reference Type	https://bugzilla.kernel.org/show_bug.cgi?id=199037 No Types Assigned	https://bugzilla.kernel.org/show_bug.cgi?id=199037 Exploit, Issue Tracking, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2018-7740
NVD Published Date:
03/07/2018
NVD Last Modified:
03/18/2019
Source:
MITRE

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2018-7740 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by MITRE 5/14/2024 1:26:40 AM

Modified Analysis by NIST 3/18/2019 3:31:02 PM

CVE Modified by MITRE 3/17/2019 7:32:51 PM

Modified Analysis by NIST 3/04/2019 1:13:16 PM

CVE Modified by MITRE 10/31/2018 6:32:30 AM

CVE Modified by MITRE 5/03/2018 9:29:15 PM

CVE Modified by MITRE 5/02/2018 9:29:41 PM

Initial Analysis by NIST 3/27/2018 1:43:07 PM

CVE Modified by MITRE 3/08/2018 9:29:04 PM

Quick Info