CVE-2017-16994

Current Description

The walk_hugetlb_range function in mm/pagewalk.c in the Linux kernel before 4.14.2 mishandles holes in hugetlb ranges, which allows local users to obtain sensitive information from uninitialized kernel memory via crafted use of the mincore() system call.

Basic Data

Published	November 27, 2017
Last Modified	April 25, 2018
Assigner	cve@mitre.org
Data Type	CVE
Data Format	MITRE
Data Version	4.0
Problem Type	CWE-200
CVE Data Version	4.0

Base Metric V2

CVSS 2 - Version	2.0
CVSS 2 - Vector String	AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS 2 - Access Vector	LOCAL
CVSS 2 - Access Complexity	LOW
CVSS 2 - Authentication	NONE
CVSS 2 - Confidentiality Impact	PARTIAL
CVSS 2 - Availability Impact	NONE
CVSS 2 - Base Score	2.1
Severity	LOW
Exploitability Score	3.9
Impact Score	2.9
Obtain All Privilege	false
Obtain User Privilege	false
Obtain Other Privilege	false

Base Metric V3

CVSS 3 - Version	3.0
CVSS 3 - Vector String	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 3 - Attack Vector	LOCAL
CVSS 3 - Attack Complexity	LOW
CVSS 3 - Privileges Required	LOW
CVSS 3 - User Interaction	NONE
CVSS 3 - Scope	UNCHANGED
CVSS 3 - Confidentiality Impact	HIGH
CVSS 3 - Integrity Impact	NONE
CVSS 3 - Availability Impact	NONE
CVSS 3 - Base Score	5.5
CVSS 3 - Base Severity	MEDIUM
Exploitability Score	1.8
Base Severity	MEDIUM

Configurations

Vulnerable Software List

Vendor	Product	Versions
Linux	Linux Kernel	*

References