CVE-2016-3951

Name: CVE-2016-3951
Creator: NVD / NIST
Published: 2016-05-02T10:59:41.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.59%

Last modified Jun 17, 2026

CVE-2016-3951 is a vulnerability of currently unknown severity. Double free vulnerability in drivers/net/usb/cdc_ncm.c in the Linux kernel before 4.5 allows physically proximate attackers to cause a denial of service (system crash) or possibly have unspecified other impact by inserting a USB device with an invalid USB descriptor.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

Double free vulnerability in drivers/net/usb/cdc_ncm.c in the Linux kernel before 4.5 allows physically proximate attackers to cause a denial of service (system crash) or possibly have unspecified other impact by inserting a USB device with an invalid USB descriptor.

Metrics

EPSS Probability

0.59%

43.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	14.04	—
Canonical	Ubuntu Linux	15.10	—
Novell	Suse Linux Enterprise Software Development Kit	12.0	Sp1
Suse	Suse Linux Enterprise Software Development Kit	12.0	—
Novell	Suse Linux Enterprise Desktop	12	—
Novell	Suse Linux Enterprise Live Patching	12.0	—
Novell	Suse Linux Enterprise Module For Public Cloud	12	—
Novell	Suse Linux Enterprise Real Time Extension	12	Sp1
Novell	Suse Linux Enterprise Server	12.0	—
Novell	Suse Linux Enterprise Workstation Extension	12.0	—
Linux	Linux Kernel	4.5.0	Rc7

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1666984c8625b3db19a9abc298931d35ab7bc64bVendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4d06dd537f95683aba3651098ae288b7cbff8274Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00060.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3607
http://www.openwall.com/lists/oss-security/2016/04/06/4
http://www.securityfocus.com/bid/91028
http://www.securitytracker.com/id/1036763
http://www.ubuntu.com/usn/USN-2989-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2998-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3000-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3001-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3002-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3003-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3004-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3021-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3021-2Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1324782Issue Tracking
https://github.com/torvalds/linux/commit/1666984c8625b3db19a9abc298931d35ab7bc64bVendor Advisory
https://github.com/torvalds/linux/commit/4d06dd537f95683aba3651098ae288b7cbff8274Vendor Advisory
https://www.spinics.net/lists/netdev/msg367669.html
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1666984c8625b3db19a9abc298931d35ab7bc64bVendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4d06dd537f95683aba3651098ae288b7cbff8274Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00060.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3607
http://www.openwall.com/lists/oss-security/2016/04/06/4
http://www.securityfocus.com/bid/91028
http://www.securitytracker.com/id/1036763
http://www.ubuntu.com/usn/USN-2989-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2998-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3000-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3001-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3002-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3003-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3004-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3021-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3021-2Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1324782Issue Tracking
https://github.com/torvalds/linux/commit/1666984c8625b3db19a9abc298931d35ab7bc64bVendor Advisory
https://github.com/torvalds/linux/commit/4d06dd537f95683aba3651098ae288b7cbff8274Vendor Advisory
https://www.spinics.net/lists/netdev/msg367669.html

Timeline

Published: May 2, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-3951?

How severe is CVE-2016-3951?

Severity scoring for CVE-2016-3951 is pending analysis. The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2016-3951?

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.

Are you affected by CVE-2016-3951?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST