CVE-2016-3951
kernel: crash on invalid USB device descriptors (usbnet driver)
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · March 4, 2016
Updated · November 21, 2025
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.
Statement
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
CWE-416 · Use After Free