CVE-2022-50848
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BaseFortify

Publication date: 2025-12-30

Last updated on: 2025-12-31

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drivers: dio: fix possible memory leak in dio_init() If device_register() returns error, the 'dev' and name needs be freed. Add a release function, and then call put_device() in the error path, so the name is freed in kobject_cleanup() and to the 'dev' is freed in release function.
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Meta Information
Published
2025-12-30
Last Modified
2025-12-31
Generated
2026-06-16
AI Q&A
2025-12-30
EPSS Evaluated
2026-06-15
NVD
CVE-2022-50848
EUVD
EUVD-2022-55850
Affected Vendors & Products
Currently, no data is known.
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a possible memory leak in the Linux kernel's dio driver during initialization (dio_init). If the device_register() function returns an error, the allocated device structure ('dev') and its name are not properly freed, leading to a memory leak. The fix involves adding a release function and calling put_device() in the error path to ensure that both the device and its name are correctly freed.

Impact Analysis

This vulnerability can cause a memory leak in the Linux kernel, which may lead to increased memory usage and potentially degrade system performance or stability over time if the error condition occurs frequently.

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