CVE Database›CVE-2024-26708

CVE-2024-26708

kernel: mptcp: really cope with fastopen race

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 3, 2024

Updated · June 28, 2026

Description

A vulnerability was found in the subflow_simultaneous_connect() function in the mptcp component in the Linux kernel, where not all possible subflow states are evaluated, leading to a potential race condition. This issue could lead to undefined network behavior.

Statement

This vulnerability is rated as moderate because a race condition could be triggered and this could result in undefined network behavior. However, this undefined behavior would most likely only cause issues for a specific TCP connection/subflow.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')