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
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


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 v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.debian.org/security/2017/dsa-3804
http://www.openwall.com/lists/oss-security/2017/03/07/6 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/96732
http://www.securitytracker.com/id/1037963
https://a13xp0p0v.github.io/2017/03/24/CVE-2017-2636.html
https://access.redhat.com/errata/RHSA-2017:0892
https://access.redhat.com/errata/RHSA-2017:0931
https://access.redhat.com/errata/RHSA-2017:0932
https://access.redhat.com/errata/RHSA-2017:0933
https://access.redhat.com/errata/RHSA-2017:0986
https://access.redhat.com/errata/RHSA-2017:1125
https://access.redhat.com/errata/RHSA-2017:1126
https://access.redhat.com/errata/RHSA-2017:1232
https://access.redhat.com/errata/RHSA-2017:1233
https://access.redhat.com/errata/RHSA-2017:1488
https://bugzilla.redhat.com/show_bug.cgi?id=1428319 Issue Tracking Mitigation

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.10.1


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-2636
NVD Published Date:
03/07/2017
NVD Last Modified:
01/04/2018