Linux Kernel TCP Flaw With 9.8 CVSS Score Affects Ubuntu, Red Hat and Other Distributions

A flaw in the Linux kernel's TCP code, tracked as CVE-2026-98432, affects Ubuntu, Red Hat Enterprise Linux (RHEL), and other Linux distributions. The kernel's own CVE team rates it 9.8 out of 10 on the CVSS scale. Anthropic said on October 27 that its AI model wrote an exploit that uses the flaw to…

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Sources

Vulnerabilities

Why this score
Signals contributing to the severity score
SignalPoints
cvss critical — 9.820
widely deployed15