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Cardano Stake Pool Operators Urged to Patch Critical Linux Vulnerability

Cardano Stake Pool Operators Urged to Patch Critical Linux Vulnerability

First seen 1 Nov 2026, 06:45 UTC • •
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ThreatCluster AI
ThreatCluster •November 1, 2026 at 08:16 UTC
  • •CVE-2026-98432 has a CVSS score of 9.8, indicating critical severity.
  • •Intersect advises immediate action for Cardano stake pool operators to patch their systems.
  • •Some Linux distributions have released patches, while others are still pending.

A critical Linux kernel vulnerability, CVE-2026-98432, has been identified with a CVSS score of 9.8, affecting multiple Linux distributions including Ubuntu. Intersect, a governance organization within the Cardano ecosystem, has warned stake pool operators (SPOs) to check their Linux kernel versions and apply patches as soon as they are available. Some distributions have already released patches, while others, like Ubuntu, are still preparing theirs. The vulnerability poses a significant risk to the security of the Cardano network, and operators are advised to restart their servers after applying updates. The situation is evolving, and Intersect will continue to provide updates through its official channels.

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Timeline

2026-10-15
CVE-2026-98432 published
A critical Linux kernel vulnerability was published, rated 9.8 on the CVSS scale.
Kucoin
2026-10-29
First public PoC released
Proof-of-concept code for the vulnerability was made public, increasing urgency for patching.
Pluang
2026-11-01
Intersect issues warning
Intersect warns Cardano SPOs to check and update their Linux kernel versions immediately.
Kucoin

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Common questions

What is CVE-2026-98432?
CVE-2026-98432 is a critical Linux kernel vulnerability with a CVSS score of 9.8, affecting multiple distributions.
Which Linux distributions are affected?
The vulnerability affects several distributions, including Ubuntu and AlmaLinux, with varying patch availability.
What should Cardano SPOs do?
Cardano stake pool operators should check their Linux kernel versions and apply patches as soon as they are released.