---
title: "Linux Kernel TCP Flaw With 9.8 CVSS Score Affects Ubuntu, Red Hat and Other Distributions"
type: signal
url: https://frontiernewswire.com/s/linux-kernel-tcp-flaw-with-9-8-cvss-score-affects-ubuntu-red-hat-and-d5cca31a
published: 2026-10-29T15:57:05.000Z
byline: "Source: The Hacker News"
---

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

Source: The Hacker News · Published 2026-10-29 · Canonical: https://frontiernewswire.com/s/linux-kernel-tcp-flaw-with-9-8-cvss-score-affects-ubuntu-red-hat-and-d5cca31a

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 let a remote attacker with no credentials run commands as root on Linux servers with a

In this story: [Anthropic](https://frontiernewswire.com/companies/anthropic), [Linux](https://frontiernewswire.com/models/linux), [Cybersecurity](https://frontiernewswire.com/topics/cybersecurity)

## Sources

- [Read the original at The Hacker News](https://thehackernews.com/2026/10/linux-kernel-tcp-flaw-with-98-cvss.html)

## On Bluesky

- [Fox Incarnon Genesis (@mervyn.online)](https://bsky.app/profile/mervyn.online/post/3myzy5qxu622w) (Oct 29, 2026 · 4 likes): personally I think it's really cool that I now have a reason to bring my servers down for hours to patch three times a week, I had too much free time anyway thehackernews.com/2026/10/linu...
- [thrilled salmon (@thrilledsalmon.bsky.social)](https://bsky.app/profile/thrilledsalmon.bsky.social/post/3myzvs4gmdc2d) (Oct 29, 2026 · 1 like): I’m hearing some conjecture it may be related to this… anthropic can’t die soon enough thehackernews.com/2026/10/linu...
- [TierraSapiens (@tierrasapiens.bsky.social)](https://bsky.app/profile/tierrasapiens.bsky.social/post/3mz2adffbio2i) (Oct 29, 2026): 🖲️ \#Noticia \#CiberSeguridad \#Cybersecurity \#CiberNoticia Linux Kernel TCP Flaw With 9.8 CVSS Score Affects Ubuntu, Red Hat and Other Distributions Leer Más / Read More...
- [Child Wielding Needle (@dontevenask.me)](https://bsky.app/profile/dontevenask.me/post/3mz234wopos22) (Oct 29, 2026): Really hope there's just no more internet when I wake up tomorrow thehackernews.com/2026/10/linu...
- [tec\_acc (@postac001.bsky.social)](https://bsky.app/profile/postac001.bsky.social/post/3myzv33z4wy2y) (Oct 29, 2026): LinuxカーネルのTCPにCVSS 9.8の脆弱性CVE-2026-98432。Ubuntu、Red Hat等に影響。リモート攻撃者がroot権限でコマンド実行可能。

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