CVE-2016-7117
CRITICALCVSS 9.8/10EPSS 24.30%
Last modified
CVE-2016-7117 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 24.30% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.0 |
| Linux | Linux Kernel | >= 2.6.33, < 3.2.80 |
| Linux | Linux Kernel | >= 3.3, < 3.4.113 |
| Linux | Linux Kernel | >= 3.5, < 3.10.102 |
| Linux | Linux Kernel | >= 3.11, < 3.12.59 |
| Linux | Linux Kernel | >= 3.13, < 3.14.67 |
| Linux | Linux Kernel | >= 3.15, < 3.16.35 |
| Linux | Linux Kernel | >= 3.17, < 3.18.37 |
| Linux | Linux Kernel | >= 3.19, < 4.1.28 |
| Linux | Linux Kernel | >= 4.2.0, < 4.4.8 |
| Linux | Linux Kernel | >= 4.5.0, < 4.5.2 |
| Canonical | Ubuntu Linux | 16.04 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88a68f26a75e4fded796f1a49c40f82234b7dIssue Tracking, Patch, Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2962.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0031.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0036.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0065.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0086.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0091.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0113.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0196.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0215.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0216.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0217.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0270.htmlThird Party Advisory
- http://source.android.com/security/bulletin/2016-10-01.htmlVendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/93304Third Party Advisory, VDB Entry
- https://bugzilla.novell.com/show_bug.cgi?id=1003077Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1382268Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/34b88a68f26a75e4fded796f1a49c40f82234b7dIssue Tracking, Patch, Third Party Advisory
- https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7117.htmlIssue Tracking, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2016-7117Issue Tracking, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88a68f26a75e4fded796f1a49c40f82234b7dIssue Tracking, Patch, Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2962.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0031.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0036.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0065.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0086.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0091.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0113.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0196.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0215.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0216.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0217.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0270.htmlThird Party Advisory
- http://source.android.com/security/bulletin/2016-10-01.htmlVendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/93304Third Party Advisory, VDB Entry
- https://bugzilla.novell.com/show_bug.cgi?id=1003077Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1382268Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/34b88a68f26a75e4fded796f1a49c40f82234b7dIssue Tracking, Patch, Third Party Advisory
- https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7117.htmlIssue Tracking, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2016-7117Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2016-7117?
CVE-2016-7117 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 24.30% probability of exploitation in the next 30 days.
How do I fix CVE-2016-7117?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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