National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-9806 Detail

Current Description

Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel before 4.6.3 allows local users to cause a denial of service (double free) or possibly have unspecified other impact via a crafted application that makes sendmsg system calls, leading to a free operation associated with a new dump that started earlier than anticipated.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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=92964c79b357efd980812c4de5c1fd2ec8bb5520 Patch Vendor Advisory
http://lists.openwall.net/netdev/2016/05/15/69 Mailing List
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3 Release Notes
http://www.openwall.com/lists/oss-security/2016/12/03/4 Mailing List Patch
http://www.securityfocus.com/bid/94653
http://www.securitytracker.com/id/1037968
https://access.redhat.com/errata/RHSA-2017:1842
https://access.redhat.com/errata/RHSA-2017:2077
https://access.redhat.com/errata/RHSA-2017:2669
https://bugzilla.redhat.com/show_bug.cgi?id=1401502 Issue Tracking Patch
https://github.com/torvalds/linux/commit/92964c79b357efd980812c4de5c1fd2ec8bb5520 Patch
https://source.android.com/security/bulletin/2017-03-01.html

Weakness Enumeration

CWE-ID CWE Name Source
CWE-415 Double Free NIST  
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.6.2


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9806
NVD Published Date:
12/28/2016
NVD Last Modified:
01/04/2018