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Hacks & Security Rumor First seen

Ethereum solo stakers warned of critical Linux TCP vulnerability CVE-2026-98432

A post on r/ethereum warns Ethereum solo stakers that CVE-2026-98432 is a critical Linux TCP vulnerability with potential remote root access. The poster says their Geth node had a publicly listening MPTCP socket and that disabling MPTCP did not close existing listeners, urging users to check `ss -Mlntp`, apply mitigations and patch their kernel.

Why “Rumor”

  • Only community or trader posts: r/ethereum

0 independent source groups across 1 post · evidence score 9/100. How labels work

What the sources claim

  1. The poster claims CVE-2026-98432 is a critical Linux TCP vulnerability that could allow remote root access.

    “CVE-2026-98432 is a critical Linux TCP vulnerability with potential remote root access”
    r/ethereum

  2. The poster says their Geth node had a publicly listening MPTCP socket.

    “My Geth node had a publicly listening MPTCP socket”
    r/ethereum

  3. The poster claims disabling MPTCP did not close existing listeners.

    “Disabling MPTCP didn't close existing listeners”
    r/ethereum

Sources

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Summary and claims extracted by AI with prompt analyze-story@5 on 2026-11-02 06:40 UTC. Labels are computed from the sources, not by the model.