National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2015-8962 Detail

Description

Double free vulnerability in the sg_common_write function in drivers/scsi/sg.c in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (memory corruption and system crash) by detaching a device during an SG_IO ioctl call.

Source:  MITRE
Description Last Modified:  11/16/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.3 HIGH
Vector: AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.3

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 9.3 HIGH
Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3951a3709ff50990bf3e188c27d346792103432 Patch Vendor Advisory
http://www.securityfocus.com/bid/94187
https://github.com/torvalds/linux/commit/f3951a3709ff50990bf3e188c27d346792103432 Patch Vendor Advisory
https://source.android.com/security/bulletin/2016-11-01.html

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-8962
NVD Published Date:
11/16/2016
NVD Last Modified:
01/17/2017