CVE-2023-54294
Unknown Unknown - Not Provided
Memory Leak in Linux Kernel md/raid10 Component Fixed

Publication date: 2025-12-30

Last updated on: 2025-12-30

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix memleak of md thread In raid10_run(), if setup_conf() succeed and raid10_run() failed before setting 'mddev->thread', then in the error path 'conf->thread' is not freed. Fix the problem by setting 'mddev->thread' right after setup_conf().
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Meta Information
Published
2025-12-30
Last Modified
2025-12-30
Generated
2026-06-16
AI Q&A
2025-12-30
EPSS Evaluated
2026-06-15
NVD
CVE-2023-54294
EUVD
EUVD-2023-60510
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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Impact Analysis

The vulnerability can lead to a memory leak in the Linux kernel when using RAID10, which may cause increased memory usage and potentially degrade system performance or stability over time if the leak accumulates.

Executive Summary

This vulnerability is a memory leak in the Linux kernel's RAID10 implementation. Specifically, in the raid10_run() function, if setup_conf() succeeds but raid10_run() fails before setting 'mddev->thread', the 'conf->thread' is not freed properly, causing a memory leak. The fix involves setting 'mddev->thread' immediately after setup_conf() to ensure proper cleanup.

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