Bitcoin Magazine reports that Matt Corallo, a Bitcoin Core and Lightning developer, identified a serious vulnerability (CVE-2026-98432) in the Linux kernel on October 30. This flaw, a use-after-free in the IPv4 TCP handshake code, has a CVSS score of 9.8. Anthropic's Frontier Red Team demonstrated a remote root exploit affecting systems with a Multipath TCP listener. Lightning Labs has since released a mitigation for the Lightning Network Daemon (LND).
Based on the Bitcoin Magazine report; not independently verified.
Source published: Wed, 04 Nov 2026 18:31:56 +0000
[Read the original report](https://bitcoinmagazine.com/news/matt-corallo-flags-critical-linux-kernel-flaw-lightning-labs-ships-lnd-mitigation)
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