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 7.0 HIGH
CVSS v2.0 6.9 MEDIUM

7.0^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.9^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

History

21 Nov 2024, 03:23

Information

Published : 2017-03-07 22:59

Updated : 2025-04-20 01:37

NVD link : CVE-2017-2636

Mitre link : CVE-2017-2636

CVE.ORG link : CVE-2017-2636

JSON object : View

Products Affected

debian

debian_linux

linux

linux_kernel

CWE

CWE-362

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

CWE-415

Double Free

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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."}, {"lang": "es", "value": "Condici\u00f3n de carrera en drivers/tty/n_hdlc.c en el kernel de Linux hasta la versi\u00f3n 4.10.1 permite a usuarios locales obtener privilegios o provocar una denegaci\u00f3n de servicio (liberaci\u00f3n doble) ajustando la l\u00ednea de disciplina HDLC."}], "lastModified": "2025-04-20T01:37:25.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ED857DA5-6E36-4284-B8E7-6F7C9E91BA56", "versionEndExcluding": "3.2.87", "versionStartIncluding": "2.6.31"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3116EF11-56E7-4D40-9FD0-6109280D0247", "versionEndExcluding": "3.10.106", "versionStartIncluding": "3.3"}, {"criteria": 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7.0 /10