CVE-2026-43143
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Race Condition in Linux Kernel MFD Core

Publication date: 2026-05-06

Last updated on: 2026-05-06

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: mfd: core: Add locking around 'mfd_of_node_list' Manipulating a list in the kernel isn't safe without some sort of mutual exclusion. Add a mutex any time we access / modify 'mfd_of_node_list' to prevent possible crashes.
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Meta Information
Published
2026-05-06
Last Modified
2026-05-06
Generated
2026-06-16
AI Q&A
2026-05-06
EPSS Evaluated
2026-06-14
NVD
CVE-2026-43143
EUVD
EUVD-2026-27704
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability involves the Linux kernel's handling of the 'mfd_of_node_list'. The issue is that manipulating this list without proper locking mechanisms can lead to unsafe conditions. Specifically, there was no mutual exclusion (locking) around accesses and modifications to 'mfd_of_node_list', which could cause kernel crashes. The fix was to add a mutex to ensure safe concurrent access.

Impact Analysis

If exploited or triggered, this vulnerability could cause the Linux kernel to crash due to unsafe concurrent access to the 'mfd_of_node_list'. Kernel crashes can lead to system instability, downtime, and potential loss of data or service availability.

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