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CVE-2017-2636

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Date: March 7, 2017

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.

Language: C

Severity Score

Severity Score

Weakness Type (CWE)

Double Free

CWE-415

Race Conditions

CWE-362

Top Fix

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Upgrade Version

Upgrade to version v4.11-rc2,v3.12.72,v3.16.42,v3.18.49,v3.2.87,v4.1.49,v4.10.3,v4.4.54,v4.9.15

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CVSS v3

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privilegs Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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