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

Published May 1, 2026
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

net: macb: properly unregister fixed rate clocks

The additional resources allocated with clkregisterfixedrate() need to be released with clkunregisterfixedrate(), otherwise they are lost.

Affected Software

14 affected components
The Linux Foundation Linux Kernel
Linux Linux kernel>=4.10<5.10.253
Linux Linux kernel>=5.11<5.15.203
Linux Linux kernel>=5.16<6.1.168
Linux Linux kernel>=6.2<6.6.134
Linux Linux kernel>=6.7<6.12.81
Linux Linux kernel>=6.13<6.18.22
Linux Linux kernel>=6.19<6.19.12
Linux Linux kernel=7.0-rc1
Linux Linux kernel=7.0-rc2
Linux Linux kernel=7.0-rc3
Linux Linux kernel=7.0-rc4
Linux Linux kernel=7.0-rc5
Linux Linux kernel=7.0-rc6

Event History

May 1, 2026
CVE Published
via MITRE·02:15 PM
Data Sourced
via MITRE·02:15 PM
Description
Data Sourced
via NVD·03:16 PM
RemedyDescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-43014?

The severity of CVE-2026-43014 has not been explicitly rated, but it pertains to resource management in the Linux kernel which could lead to system instability.

2

How do I fix CVE-2026-43014?

To fix CVE-2026-43014, ensure you are running a patched version of the Linux kernel where the fixed rate clocks are properly unregistered.

3

What are the potential consequences of CVE-2026-43014?

The potential consequences of CVE-2026-43014 include resource leaks that may result in degraded system performance or crashes.

4

Is CVE-2026-43014 present in all versions of the Linux kernel?

CVE-2026-43014 affects specific versions of the Linux kernel and is essential to check the changelogs for your currently used version.

5

Who is impacted by CVE-2026-43014?

Users and administrators of systems running affected versions of the Linux kernel are impacted by CVE-2026-43014.

Contact

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