CVE-2022-50557
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-22

Last updated on: 2025-10-22

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: pinctrl: thunderbay: fix possible memory leak in thunderbay_build_functions() The thunderbay_add_functions() will free memory of thunderbay_funcs when everything is ok, but thunderbay_funcs will not be freed when thunderbay_add_functions() fails, then there will be a memory leak, so we need to add kfree() when thunderbay_add_functions() fails to fix it. In addition, doing some cleaner works, moving kfree(funcs) from thunderbay_add_functions() to thunderbay_build_functions().
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Meta Information
Published
2025-10-22
Last Modified
2025-10-22
Generated
2026-05-07
AI Q&A
2025-10-22
EPSS Evaluated
2026-05-05
NVD
CVE-2022-50557
EUVD
EUVD-2022-55671
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux kernel *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a memory leak in the Linux kernel's thunderbay pinctrl driver. Specifically, when the function thunderbay_add_functions() fails, it does not free the allocated memory for thunderbay_funcs, causing a memory leak. The fix involves adding a kfree() call to free this memory upon failure and reorganizing the code to better manage memory cleanup.


How can this vulnerability impact me? :

The memory leak caused by this vulnerability can lead to increased memory usage over time, potentially degrading system performance or causing instability if the leaked memory accumulates significantly.


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