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Vulnerability Details : CVE-2016-7117

Use-after-free vulnerability in the __sys_recvmmsg function in net/socket.c in the Linux kernel before 4.5.2 allows remote attackers to execute arbitrary code via vectors involving a recvmmsg system call that is mishandled during error processing.
Publish Date : 2016-10-10 Last Update Date : 2023-01-19
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- CVSS Scores & Vulnerability Types

CVSS Score
10.0
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) Execute Code
CWE ID 19

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2016:2962: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20162962 unix
RHSA-2017:0036: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20170036 unix
RHSA-2017:0086: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20170086 unix
RHSA-2017:0091: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20170091 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-2016-7117

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 7.0 * * * Version Details Vulnerabilities
3 OS Linux Linux Kernel * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 1
Debian Debian Linux 1
Linux Linux Kernel 1

- References For CVE-2016-7117

http://rhn.redhat.com/errata/RHSA-2017-0086.html
REDHAT RHSA-2017:0086
http://rhn.redhat.com/errata/RHSA-2017-0065.html
REDHAT RHSA-2017:0065
http://rhn.redhat.com/errata/RHSA-2017-0091.html
REDHAT RHSA-2017:0091
http://rhn.redhat.com/errata/RHSA-2017-0215.html
REDHAT RHSA-2017:0215
http://rhn.redhat.com/errata/RHSA-2017-0196.html
REDHAT RHSA-2017:0196
http://rhn.redhat.com/errata/RHSA-2017-0113.html
REDHAT RHSA-2017:0113
http://rhn.redhat.com/errata/RHSA-2017-0217.html
REDHAT RHSA-2017:0217
http://rhn.redhat.com/errata/RHSA-2017-0216.html
REDHAT RHSA-2017:0216
http://rhn.redhat.com/errata/RHSA-2017-0270.html
REDHAT RHSA-2017:0270
http://rhn.redhat.com/errata/RHSA-2017-0031.html
REDHAT RHSA-2017:0031
http://rhn.redhat.com/errata/RHSA-2017-0036.html
REDHAT RHSA-2017:0036
http://www.securityfocus.com/bid/93304
BID 93304 Linux Kernel CVE-2016-7117 Use-After-Free Remote Code Execution Vulnerability Release Date:2017-08-01
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88a68f26a75e4fded796f1a49c40f82234b7d CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1382268 CONFIRM
https://bugzilla.novell.com/show_bug.cgi?id=1003077 CONFIRM
https://github.com/torvalds/linux/commit/34b88a68f26a75e4fded796f1a49c40f82234b7d CONFIRM
https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7117.html CONFIRM
http://source.android.com/security/bulletin/2016-10-01.html CONFIRM
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2 CONFIRM
https://security-tracker.debian.org/tracker/CVE-2016-7117 CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-2962.html
REDHAT RHSA-2016:2962

- Metasploit Modules Related To CVE-2016-7117

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