CVE-2024-26708

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

mptcp: really cope with fastopen race

Fastopen and PM-trigger subflow shutdown can race, as reported by syzkaller.

In my first attempt to close such race, I missed the fact that the subflow status can change again before the subflow_state_change callback is invoked.

Address the issue additionally copying with all the states directly reachable from TCP_FIN_WAIT1.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-362

Affected software

No affected versions have been published.

Timeline

Published
Apr 3, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2024-26708: Medium severity, CVSS 5.5 | Vulnix