CVE-2017-2636

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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2017-03-07 22:59

Updated : 2018-01-05 02:31

NVD link : CVE-2017-2636

Mitre link : CVE-2017-2636

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-415

Double Free

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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