A critical vulnerability in the Linux kernel's TCP code, tracked as CVE-2026-98432, has been identified and affects distributions including Ubuntu and Red Hat Enterprise Linux (RHEL).
The Linux kernel's own CVE team has assigned this flaw a severity score of 9.8 out of 10 on the CVSS scale.
Anthropic reported on October 27 that its AI model successfully generated an exploit for this vulnerability. The exploit allows a remote attacker, without needing any credentials, to execute commands with root privileges on affected Linux servers.
By the numbers
- CVSS score for Linux kernel TCP flaw
- 9.8
Sources and references
Original report
Linux Kernel TCP Flaw With 9.8 CVSS Score Affects Ubuntu, Red Hat and Other Distributions
The Hacker News
Read on The Hacker News (opens in a new tab)Ref 0062PQDX
Cite this
APA
Interestana AI Editorial. (2026, October 29). Linux Kernel TCP Flaw Exploited by Anthropic AI Model. Interestana. https://interestana.com/articles/linux-kernel-tcp-flaw-with-98-cvss-score-affects-ubuntu-red-hat-and-other-distributions-0062pqdx
MLA
“Linux Kernel TCP Flaw Exploited by Anthropic AI Model.” Interestana, 29 Oct. 2026, interestana.com/articles/linux-kernel-tcp-flaw-with-98-cvss-score-affects-ubuntu-red-hat-and-other-distributions-0062pqdx.
Chicago
Interestana AI Editorial. “Linux Kernel TCP Flaw Exploited by Anthropic AI Model.” Interestana, October 29, 2026. https://interestana.com/articles/linux-kernel-tcp-flaw-with-98-cvss-score-affects-ubuntu-red-hat-and-other-distributions-0062pqdx.
BibTeX
@misc{interestana_0062pqdx,
author = {{Interestana AI Editorial}},
title = {{Linux Kernel TCP Flaw Exploited by Anthropic AI Model}},
howpublished = {Interestana},
year = {2026},
month = oct,
url = {https://interestana.com/articles/linux-kernel-tcp-flaw-with-98-cvss-score-affects-ubuntu-red-hat-and-other-distributions-0062pqdx},
note = {Summary of reporting by The Hacker News, https://thehackernews.com/2026/10/linux-kernel-tcp-flaw-with-98-cvss.html}
}Credit the source
Original reporting: The Hacker News, “Linux Kernel TCP Flaw With 9.8 CVSS Score Affects Ubuntu, Red Hat and Other Distributions”, https://thehackernews.com/2026/10/linux-kernel-tcp-flaw-with-98-cvss.html(opens in a new tab)
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