Anza Urges Solana Validators to Act on Critical Linux Flaw
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Anza asked Solana validators to take preventive action against CVE-2026-98432, a vulnerability of the Linux kernel with a gravity score of 9.8. A technical report described the possibility of obtaining root privileges under certain conditions; there is no confirmed evidence of compromised validators.
Solana validators told to act immediately as critical Linux vulnerability emerges
Ubuntu’s main 24.04 kernel repair was still pending on Nov. 2, leaving affected operators a separate host-security task. Read the full story on CryptoSlateUnderstand the crypto stories that matter and what to watch next. Get The Catalyst in your inbox
A security vulnerability in the Linux kernel's network stack allows remote attackers to execute arbitrary commands with root privileges without user interaction. The CVE-2026-98432 vulnerability has found the KI Claude and has also created a suitable exploit for it. It therefore affects Linux servers that accept connections via Multipath TCP (MPTCP). The kernel developers have the error according to
The Solana Foundation recommends blocking IPv4 TCP packets and disabling MPTCP while awaiting a patch for Ubuntu.
A critical flaw in the Linux kernel makes it possible to take control of a server remotely, without password or click. Debian fixes the flaw since mid-October and Red Hat started publishing its patches on November 1, but Ubuntu still leaves its users exposed.
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