National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-9313 Detail

Description

security/keys/big_key.c in the Linux kernel before 4.8.7 mishandles unsuccessful crypto registration in conjunction with successful key-type registration, which allows local users to cause a denial of service (NULL pointer dereference and panic) or possibly have unspecified other impact via a crafted application that uses the big_key data type.

Source:  MITRE
Description Last Modified:  11/27/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
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=7df3e59c3d1df4f87fe874c7956ef7a3d2f4d5fb Issue Tracking Patch Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.7 Release Notes
http://www.openwall.com/lists/oss-security/2016/07/22/1 Exploit Mailing List Third Party Advisory
http://www.securityfocus.com/bid/94546
https://github.com/torvalds/linux/commit/7df3e59c3d1df4f87fe874c7956ef7a3d2f4d5fb Issue Tracking Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9313
NVD Published Date:
11/27/2016
NVD Last Modified:
11/29/2016