Linux kernel TCP flaw rated CVSS 9.8 reportedly affects Ubuntu, Red Hat and others

Several outlets report a critical Linux kernel TCP flaw, tracked as CVE-2026-98432, that could allow remote root attacks on MPTCP servers. One item credits an Anthropic AI model with finding the bug.

Timeline

1. 2 Nov, 09:20 UTCFirst appeared on Google Trends
2. 2 Nov, 09:20 UTCThe Hacker News covers Linux TCP flaw
3. 2 Nov, 09:20 UTCBleepingComputer reports remote root attack risk

Top sources

• cve-2026-98432Google Trends
• Cardano’s $0.19 defense: Who’s buying ADA and why it mattersAMBCrypto
• Critical Linux kernel flaw allows remote root attacks on MPTCP serversBleepingComputer
• Anthropic AI model finds Linux kernel bug that leads to remote root accessCSO Online
• Linux Kernel CVE-2026-98432: Critical TCP Use-After-Free, No RHEL or Ubuntu Fix YetRescana