CVE-2017-16914

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-01-31 · updated 2026-06-17
Weakness: CWE-476

Description

The "stub_send_ret_submit()" function (drivers/usb/usbip/stub_tx.c) in the Linux Kernel before version 4.14.8, 4.9.71, 4.1.49, and 4.4.107 allows attackers to cause a denial of service (NULL pointer dereference) via a specially crafted USB over IP packet.

Affected products

Linux kernel: from 4.1.0 before 4.1.49; from 4.4.0 before 4.4.107; from 4.9.0 before 4.9.71; from 4.14.0 before 4.14.8 — fixed in 4.1.49, 4.14.8, 4.4.107, 4.9.71

How to fix

Upgrade to a fixed version: Linux kernel 4.1.49, 4.14.8, 4.4.107, 4.9.71. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/102150
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.49
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.107
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.71
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/drivers/usb/usbip?id=be6123df1ea8f01ee2f896a16c2b7be3e4557a5a
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
https://secuniaresearch.flexerasoftware.com/advisories/80722/
https://secuniaresearch.flexerasoftware.com/secunia_research/2017-21/
https://usn.ubuntu.com/3619-1/
https://usn.ubuntu.com/3619-2/
https://usn.ubuntu.com/3754-1/

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