CVE-2022-50427
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-02

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: fix possible memory leak in snd_ac97_dev_register() If device_register() fails in snd_ac97_dev_register(), it should call put_device() to give up reference, or the name allocated in dev_set_name() is leaked.
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Meta Information
Published
2025-10-01
Last Modified
2025-10-02
Generated
2026-06-16
AI Q&A
2025-10-01
EPSS Evaluated
2026-06-14
NVD
CVE-2022-50427
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux kernel *
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Exploitability
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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 ALSA ac97 driver. Specifically, if the function device_register() fails within snd_ac97_dev_register(), the code does not properly release a reference by calling put_device(), which leads to a memory leak related to the device name allocated by dev_set_name().

Impact Analysis

The impact of this vulnerability is a potential memory leak in the Linux kernel when using the ALSA ac97 driver. Over time, this could lead to increased memory usage and possibly degrade system performance or stability if the leak accumulates.

Mitigation Strategies

Update the Linux kernel to a version where the ALSA ac97 memory leak issue in snd_ac97_dev_register() has been fixed. This involves applying the patch that ensures put_device() is called if device_register() fails, preventing memory leaks.

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