Multipath TCP

Trends

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Ubuntu ships patched kernels for critical Linux TCP flaw●Ubuntu stages Linux kernel fixes for critical TCP flaw as wider testing continues Ubuntu has put patched kernels for a cMmastodon Technology Cybersecurity24 d ago
Ubuntu has released patched kernels addressing a critical flaw in the Linux TCP implementation, staging them in a testing area for 22.04 LTS and newer releases. The company says applying the kernel updates, rather than disabling Multipath TCP, is the right defense while wider testing continues.
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Go programs enable MPTCP by default, exposing them to Linux CVE-2026-98432▼Yhn Sport Golf203 d ago
A security discussion is underway after it was noted that Go programs enable Multipath TCP by default on Linux, which exposes them to the recently disclosed kernel vulnerability CVE-2026-98432. Developers are weighing the risk to Go-based network services and whether the default should be changed, with the Go team's announcements list cited as the reference point.
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Critical Linux kernel flaw enables remote root attacks▼cve 2026 98432GgoogleFR2006 d ago
Security researchers have flagged a critical vulnerability in the Linux kernel, tracked as CVE-2026-98432, affecting servers with MPTCP (Multipath TCP) enabled. The flaw allows remote attackers to gain root-level control of affected systems without authentication. Administrators are urged to apply kernel patches promptly, and discussion is focused on which distributions are affected and how widely MPTCP is deployed in production.