Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.0 |
| Linux | Linux Kernel | >= 2.6.33, < 3.2.80 |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88aIssue TrackingPatchVendor 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 NotesVendor Advisory
FAQ
What is CVE-2016-7117?
CVE-2016-7117 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 c...
How severe is CVE-2016-7117?
CVE-2016-7117 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2016-7117?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Linux Linux Kernel, Canonical Ubuntu Linux.