# Critical Linux Kernel TCP Flaw With 9.8 CVSS Score Hits Major Distros

A critical vulnerability in the Linux kernel's TCP implementation, rated 9.8 out of 10 on the CVSS scale, affects Ubuntu, Red Hat and other major distributions. The flaw could allow attackers to compromise affected systems, prompting vendors to release patches. Administrators are urged to apply updates promptly given the severity and widespread use of the affected kernels.

**Importance:** 4/5

## Sources

### Security
- [The Hacker News](https://thehackernews.com/2026/10/linux-kernel-tcp-flaw-with-98-cvss.html) — Thu, 29 Oct 2026 21:27:05 +0530