Linux Kernel TCP Flaw With 9.8 CVSS Score Affects Ubuntu, Red Hat and Other Distributions
Summary
A Linux kernel TCP race condition flaw (CVE-2026-98432) with CVSS 9.8 affects Ubuntu, RHEL and other distributions. The article details how the bug works, which distros have fixes, and recommended mitigations including upgrading kernels and Go/MPTCP considerations. It also covers Anthropic's involvement and vendor advisory status across distributions.