CVE-2017-16994 Detail

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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N


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Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=373c4557d2aa362702c4c2d41288fb1e54990b7c Patch 
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.2 Release Notes 
http://www.securityfocus.com/bid/101969 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2018:0502
https://bugs.chromium.org/p/project-zero/issues/detail?id=1431 Exploit  Issue Tracking  Patch 
https://github.com/torvalds/linux/commit/373c4557d2aa362702c4c2d41288fb1e54990b7c Patch 
https://usn.ubuntu.com/3617-1/
https://usn.ubuntu.com/3617-2/
https://usn.ubuntu.com/3617-3/
https://usn.ubuntu.com/3619-1/
https://usn.ubuntu.com/3619-2/
https://usn.ubuntu.com/3632-1/
https://www.exploit-db.com/exploits/43178/ Exploit  Third Party Advisory  VDB Entry 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor cwe source acceptance level NIST  

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-16994
NVD Published Date:
11/27/2017
NVD Last Modified:
04/24/2018
Source:
MITRE