CVE-2016-7117 : Use-after-free vulnerability in the __sys_recvmmsg function in net/socket.c in t

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.

Published 2016-10-10 11:00:14

Updated 2025-04-12 10:46:41

Source Android (associated with Google Inc. or Open Handset Alliance)

View at NVD, CVE.org

Vulnerability category: Memory CorruptionExecute code

Products affected by CVE-2016-7117

Debian » Debian Linux » Version: 7.0
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.2.0 and before (<) 4.4.8
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 3.19 and before (<) 4.1.28
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 3.13 and before (<) 3.14.67
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 3.11 and before (<) 3.12.59
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 3.5 and before (<) 3.10.102
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 3.15 and before (<) 3.16.35
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 3.3 and before (<) 3.4.113
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 3.17 and before (<) 3.18.37
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 2.6.33 and before (<) 3.2.80
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.5.0 and before (<) 4.5.2
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 16.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Matching versions

Threat overview for CVE-2016-7117

Top countries where our scanners detected CVE-2016-7117

Top open port discovered on systems with this issue 49152

IPs affected by CVE-2016-7117 26,661

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2016-7117!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2016-7117

EPSS FAQ

12.78%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 93 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-7117

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
10.0	HIGH	AV:N/AC:L/Au:N/C:C/I:C/A:C	10.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2016-7117

CWE-19

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-7117

https://bugzilla.novell.com/show_bug.cgi?id=1003077

Bug 1003077 – VUL-0: CVE-2016-7117: kernel: use after free in the recvmmsg exit path
Issue Tracking;Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0270.html

RHSA-2017:0270 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2016-7117

CVE-2016-7117
Issue Tracking;Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0215.html

RHSA-2017:0215 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0031.html

RHSA-2017:0031 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
http://www.securityfocus.com/bid/93304

Linux Kernel CVE-2016-7117 Use-After-Free Remote Code Execution Vulnerability
Third Party Advisory;VDB Entry
https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7117.html

CVE-2016-7117 in Ubuntu
Issue Tracking;Third Party Advisory
https://github.com/torvalds/linux/commit/34b88a68f26a75e4fded796f1a49c40f82234b7d

net: Fix use after free in the recvmmsg exit path · torvalds/linux@34b88a6 · GitHub
Issue Tracking;Patch;Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2

Release Notes;Vendor Advisory

CVEs referencing this url
https://bugzilla.redhat.com/show_bug.cgi?id=1382268

1382268 – (CVE-2016-7117) CVE-2016-7117 kernel: Use-after-free in the recvmmsg exit path
Issue Tracking;Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0091.html

RHSA-2017:0091 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
http://source.android.com/security/bulletin/2016-10-01.html

Android Security Bulletin—October 2016 | Android Open Source Project
Vendor Advisory

CVEs referencing this url
http://rhn.redhat.com/errata/RHSA-2016-2962.html

RHSA-2016:2962 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88a68f26a75e4fded796f1a49c40f82234b7d

kernel/git/torvalds/linux.git - Linux kernel source tree
Issue Tracking;Patch;Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0217.html

RHSA-2017:0217 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
http://rhn.redhat.com/errata/RHSA-2017-0113.html

RHSA-2017:0113 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
http://rhn.redhat.com/errata/RHSA-2017-0065.html

RHSA-2017:0065 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0216.html

RHSA-2017:0216 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0196.html

RHSA-2017:0196 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0036.html

RHSA-2017:0036 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
http://rhn.redhat.com/errata/RHSA-2017-0086.html

RHSA-2017:0086 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url