National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-15102 Detail

Current Description

The tower_probe function in drivers/usb/misc/legousbtower.c in the Linux kernel before 4.8.1 allows local users (who are physically proximate for inserting a crafted USB device) to gain privileges by leveraging a write-what-where condition that occurs after a race condition and a NULL pointer dereference.

Source:  MITRE      Last Modified:  11/15/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-15102
Original release date:
11/15/2017
Last revised:
12/02/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
6.3 Medium
Vector:
CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
0.4
CVSS Version 3 Metrics:
Attack Vector (AV):
Physical
Attack Complexity (AC):
High
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:
6.9 MEDIUM
Vector:
(AV:L/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Medium
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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9e5a7babada041e2e161699ade2447a01989 Issue Tracking; Patch; Vendor Advisory External Source CONFIRM http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9e5a7babada041e2e161699ade2447a01989
http://seclists.org/oss-sec/2017/q4/238 Issue Tracking; Mailing List; Third Party Advisory External Source CONFIRM http://seclists.org/oss-sec/2017/q4/238
http://www.securityfocus.com/bid/101790 Third Party Advisory; VDB Entry External Source BID 101790
https://bugzilla.redhat.com/show_bug.cgi?id=1505905 Issue Tracking; Third Party Advisory External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1505905
https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a01989 Issue Tracking; Patch; Third Party Advisory External Source CONFIRM https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a01989

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Change History 2 change records found - show changes