National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-4951 Detail

Description

The tipc_nl_publ_dump function in net/tipc/socket.c in the Linux kernel through 4.6 does not verify socket existence, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a dumpit operation.

Source:  MITRE
Description Last Modified:  05/23/2016

Evaluator Description

CWE-476: NULL Pointer Dereference

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/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): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
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=45e093ae2830cd1264677d47ff9a95a71f5d9f9c
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
http://lists.openwall.net/netdev/2016/05/14/28 Patch
http://www.openwall.com/lists/oss-security/2016/05/21/2 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
http://www.ubuntu.com/usn/USN-3016-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-3 Third Party Advisory
http://www.ubuntu.com/usn/USN-3016-4 Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-3017-3 Third Party Advisory
http://www.ubuntu.com/usn/USN-3020-1 Third Party Advisory
https://github.com/torvalds/linux/commit/45e093ae2830cd1264677d47ff9a95a71f5d9f9c Vendor Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/o:linux:linux_kernel
     Show Matching CPE(s)
Up to (including)
4.6

Configuration 2 ( hide )
 cpe:/o:canonical:ubuntu_linux:14.04::~~lts~~~
     Show Matching CPE(s)
 cpe:/o:canonical:ubuntu_linux:15.10
     Show Matching CPE(s)
 cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:/o:oracle:linux:6.0
     Show Matching CPE(s)


Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-4951
NVD Published Date:
05/23/2016
NVD Last Modified:
11/28/2016