CVE-2017-11176 Detail

Current Description

The mq_notify function in the Linux kernel through 4.11.9 does not set the sock pointer to NULL upon entry into the retry logic. During a user-space close of a Netlink socket, it allows attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact.


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


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

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=f991af3daabaecff34684fd51fac80319d1baad1 Issue Tracking  Patch  Third Party Advisory 
http://www.debian.org/security/2017/dsa-3927 Third Party Advisory 
http://www.debian.org/security/2017/dsa-3945 Third Party Advisory 
http://www.securityfocus.com/bid/99919 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2017:2918 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2930 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2931 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:0169 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:3822
https://github.com/torvalds/linux/commit/f991af3daabaecff34684fd51fac80319d1baad1 Issue Tracking  Patch  Third Party Advisory 
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
https://www.exploit-db.com/exploits/45553/

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

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Change History

9 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-11176
NVD Published Date:
07/11/2017
NVD Last Modified:
12/13/2018
Source:
MITRE