CVE-2024-40931

Published Jul 12, 2024

Last updated 4 months ago

Overview

Description
In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure snd_una is properly initialized on connect This is strictly related to commit fb7a0d334894 ("mptcp: ensure snd_nxt is properly initialized on connect"). It turns out that syzkaller can trigger the retransmit after fallback and before processing any other incoming packet - so that snd_una is still left uninitialized. Address the issue explicitly initializing snd_una together with snd_nxt and write_seq.
Source
416baaa9-dc9f-4396-8d5f-8c081fb06d67
NVD status
Awaiting Analysis

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References