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CVE-2024-26708

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CVE-2024-26708

Published: Apr 3, 2024

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
1e777f39b4d75e599a3aac8e0f67d739474f198c - < 4bfe217e075d04e63c092df9d40c608e598c2ef2
affected
1e777f39b4d75e599a3aac8e0f67d739474f198c - < e158fb9679d15a2317ec13b4f6301bd26265df2f
affected
1e777f39b4d75e599a3aac8e0f67d739474f198c - < 337cebbd850f94147cee05252778f8f78b8c337f

Linux

Linux

affected
6.2
unaffected
0 - < 6.2
unaffected
6.6.18 - <= 6.6.*
unaffected
6.7.6 - <= 6.7.*
unaffected
6.8 - <= *

References

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