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Vulnerability Details : CVE-2017-11176

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.
Publish Date : 2017-07-11 Last Update Date : 2018-12-13
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 416

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2017:2930: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20172930 unix
RHSA-2017:2931: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20172931 unix
RHSA-2018:0169: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20180169 unix
RHSA-2018:3822: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20183822 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2017-11176

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 8.0 Version Details Vulnerabilities
2 OS Debian Debian Linux 9.0 Version Details Vulnerabilities
3 OS Linux Linux Kernel 4.11.9 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Linux Linux Kernel 1

- References For CVE-2017-11176

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f991af3daabaecff34684fd51fac80319d1baad1 CONFIRM
https://access.redhat.com/errata/RHSA-2018:3822
REDHAT RHSA-2018:3822
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 CONFIRM
https://access.redhat.com/errata/RHSA-2018:0169
REDHAT RHSA-2018:0169
https://access.redhat.com/errata/RHSA-2017:2931
REDHAT RHSA-2017:2931
http://www.debian.org/security/2017/dsa-3927
DEBIAN DSA-3927
https://access.redhat.com/errata/RHSA-2017:2918
REDHAT RHSA-2017:2918
https://www.exploit-db.com/exploits/45553/
EXPLOIT-DB 45553
https://github.com/torvalds/linux/commit/f991af3daabaecff34684fd51fac80319d1baad1 CONFIRM
https://access.redhat.com/errata/RHSA-2017:2930
REDHAT RHSA-2017:2930
http://www.securityfocus.com/bid/99919
BID 99919 Linux kernel CVE-2017-11176 Local Denial of Service Vulnerability Release Date:2017-08-29
http://www.debian.org/security/2017/dsa-3945
DEBIAN DSA-3945

- Metasploit Modules Related To CVE-2017-11176

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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