CVE-2016-7117

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 12.78% Top 10%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory kernel.org Vendor Advisory android.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2017-0216.html third party advisory vendor advisory
https://security-tracker.debian.org/tracker/CVE-2016-7117 issue tracking third party advisory
http://source.android.com/security/bulletin/2016-10-01.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0086.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2962.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0113.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0091.html third party advisory vendor advisory
https://bugzilla.novell.com/show_bug.cgi?id=1003077 issue tracking third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1382268 issue tracking third party advisory
http://rhn.redhat.com/errata/RHSA-2017-0031.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0065.html third party advisory vendor advisory
https://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-7117.html issue tracking third party advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.2 release notes vendor advisory
http://www.securityfocus.com/bid/93304 vdb entry third party advisory
https://github.com/torvalds/linux/commit/34b88a68f26a75e4fded796f1a49c40f82234b7d issue tracking third party advisory patch
http://rhn.redhat.com/errata/RHSA-2017-0270.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0217.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0036.html third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88a68f26a75e4fded796f1a49c40f82234b7d issue tracking patch vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0215.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0196.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-7117?
CVE-2016-7117 has been scored as a critical severity vulnerability.
How to fix CVE-2016-7117?
To fix CVE-2016-7117, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-7117 being actively exploited in the wild?
It is possible that CVE-2016-7117 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~13% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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