CVE-2022-50427
BaseFortify
Publication date: 2025-10-01
Last updated on: 2025-10-02
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | kernel | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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().
How can this vulnerability impact me? :
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.
What immediate steps should I take to mitigate this vulnerability?
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.