CVE-2022-50513
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-07

Last updated on: 2026-03-17

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix a potential memory leak in rtw_init_cmd_priv() In rtw_init_cmd_priv(), if `pcmdpriv->rsp_allocated_buf` is allocated in failure, then `pcmdpriv->cmd_allocated_buf` will be not properly released. Besides, considering there are only two error paths and the first one can directly return, so we do not need implicitly jump to the `exit` tag to execute the error handler. So this patch added `kfree(pcmdpriv->cmd_allocated_buf);` on the error path to release the resource and simplified the return logic of rtw_init_cmd_priv(). As there is no proper device to test with, no runtime testing was performed.
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Meta Information
Published
2025-10-07
Last Modified
2026-03-17
Generated
2026-05-07
AI Q&A
2025-10-07
EPSS Evaluated
2026-05-05
NVD
CVE-2022-50513
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.0 (inc) to 6.0.3 (inc)
linux kernel *
Helpful Resources
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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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a potential memory leak in the Linux kernel's rtl8723bs staging driver, specifically in the function rtw_init_cmd_priv(). If a certain buffer (rsp_allocated_buf) is allocated but an error occurs, another buffer (cmd_allocated_buf) is not properly freed, leading to a memory leak. The patch fixes this by adding code to free the allocated buffer on error paths and simplifies the function's return logic.


How can this vulnerability impact me? :

The impact of this vulnerability is a potential memory leak in the Linux kernel driver, which could lead to increased memory usage and possibly degrade system performance or stability over time if the error condition occurs repeatedly.


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