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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2016-9793 Detail

Description

The sock_setsockopt function in net/core/sock.c in the Linux kernel before 4.8.14 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact by leveraging the CAP_NET_ADMIN capability for a crafted setsockopt system call with the (1) SO_SNDBUFFORCE or (2) SO_RCVBUFFORCE option.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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=b98b0bc8c431e3ceb4b26b0dfc8db509518fb290 Patch  Vendor Advisory 
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14 Release Notes  Vendor Advisory 
http://www.openwall.com/lists/oss-security/2016/12/03/1 Mailing List  Patch  Third Party Advisory 
http://www.securityfocus.com/bid/94655 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1037968 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2017:0931 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:0932 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:0933 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1402013 Issue Tracking  Third Party Advisory 
https://github.com/torvalds/linux/commit/b98b0bc8c431e3ceb4b26b0dfc8db509518fb290 Patch  Vendor Advisory 
https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-9793 Third Party Advisory 
https://source.android.com/security/bulletin/2017-03-01.html Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer cwe source acceptance level NIST  

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-9793
NVD Published Date:
12/28/2016
NVD Last Modified:
01/17/2023
Source:
MITRE