National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-8963 Detail

Description

Race condition in kernel/events/core.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect handling of an swevent data structure during a CPU unplug operation.

Source:  MITRE      Last Modified:  11/16/2016

Quick Info

CVE Dictionary Entry:
CVE-2015-8963
Original release date:
11/16/2016
Last revised:
11/28/2016
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.0 High
Vector:
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
1.0
CVSS Version 3 Metrics:
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.6 HIGH
Vector:
(AV:N/AC:H/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
4.9
CVSS Version 2 Metrics:
Access Vector:
Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity:
High
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=12ca6ad2e3a896256f086497a7c7406a547ee373 Patch; Vendor Advisory External Source CONFIRM http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12ca6ad2e3a896256f086497a7c7406a547ee373
http://source.android.com/security/bulletin/2016-11-01.html Third Party Advisory External Source CONFIRM http://source.android.com/security/bulletin/2016-11-01.html
http://www.securityfocus.com/bid/94207 External Source BID 94207
https://github.com/torvalds/linux/commit/12ca6ad2e3a896256f086497a7c7406a547ee373 Patch; Vendor Advisory External Source CONFIRM https://github.com/torvalds/linux/commit/12ca6ad2e3a896256f086497a7c7406a547ee373

Technical Details

Vulnerability Type (View All)

Change History 4 change records found - show changes