National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-2636 Detail

Current Description

Race condition in drivers/tty/n_hdlc.c in the Linux kernel through 4.10.1 allows local users to gain privileges or cause a denial of service (double free) by setting the HDLC line discipline.

Source:  MITRE      Last Modified:  03/07/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-2636
Original release date:
03/07/2017
Last revised:
01/04/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.8 High
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
1.8
CVSS Version 3 Metrics:
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.2 HIGH
Vector:
(AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://www.debian.org/security/2017/dsa-3804 External Source DEBIAN DSA-3804
http://www.openwall.com/lists/oss-security/2017/03/07/6 Mailing List; Patch; Third Party Advisory External Source MLIST [oss-security] 20170307 Linux kernel: CVE-2017-2636: local privilege escalation flaw in n_hdlc
http://www.securityfocus.com/bid/96732 External Source BID 96732
http://www.securitytracker.com/id/1037963 External Source SECTRACK 1037963
https://a13xp0p0v.github.io/2017/03/24/CVE-2017-2636.html External Source MISC https://a13xp0p0v.github.io/2017/03/24/CVE-2017-2636.html
https://access.redhat.com/errata/RHSA-2017:0892 External Source REDHAT RHSA-2017:0892
https://access.redhat.com/errata/RHSA-2017:0931 External Source REDHAT RHSA-2017:0931
https://access.redhat.com/errata/RHSA-2017:0932 External Source REDHAT RHSA-2017:0932
https://access.redhat.com/errata/RHSA-2017:0933 External Source REDHAT RHSA-2017:0933
https://access.redhat.com/errata/RHSA-2017:0986 External Source REDHAT RHSA-2017:0986
https://access.redhat.com/errata/RHSA-2017:1125 External Source REDHAT RHSA-2017:1125
https://access.redhat.com/errata/RHSA-2017:1126 External Source REDHAT RHSA-2017:1126
https://access.redhat.com/errata/RHSA-2017:1232 External Source REDHAT RHSA-2017:1232
https://access.redhat.com/errata/RHSA-2017:1233 External Source REDHAT RHSA-2017:1233
https://access.redhat.com/errata/RHSA-2017:1488 External Source REDHAT RHSA-2017:1488
https://bugzilla.redhat.com/show_bug.cgi?id=1428319 Issue Tracking; Mitigation External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1428319

Technical Details

Vulnerability Type (View All)

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