CVE-2023-53574
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-04

Last updated on: 2026-03-21

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: delete timer and free skb queue when unloading Fix possible crash and memory leak on driver unload by deleting TX purge timer and freeing C2H queue in 'rtw_core_deinit()', shrink critical section in the latter by freeing COEX queue out of TX report lock scope.
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Meta Information
Published
2025-10-04
Last Modified
2026-03-21
Generated
2026-06-16
AI Q&A
2025-10-04
EPSS Evaluated
2026-06-15
NVD
CVE-2023-53574
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 5.2 (inc) to 6.5.5 (inc)
linux kernel *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-401 The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
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Executive Summary

This vulnerability in the Linux kernel's wifi driver 'rtw88' involves a potential crash and memory leak when the driver is unloaded. The issue arises because the TX purge timer and C2H queue were not properly deleted and freed during driver unload, which could lead to instability. The fix involves deleting the timer and freeing the skb queue in the 'rtw_core_deinit()' function, and reducing the critical section by freeing the COEX queue outside the TX report lock scope.

Impact Analysis

This vulnerability can cause a system crash or memory leak when the affected wifi driver is unloaded, potentially leading to system instability or degraded performance.

Mitigation Strategies

To mitigate this vulnerability, update the Linux kernel to a version that includes the fix for CVE-2023-53574, which deletes the TX purge timer and frees the C2H queue properly during driver unload to prevent crashes and memory leaks.

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