Cardano Ecosystem Organization Intersect Warns of Critical Linux Kernel Vulnerability with Risk Score as High as 9.8

TechFlow reported that on November 1, according to the latest weekly report released by Cardano ecosystem governance organization Intersect, a critical Linux kernel vulnerability identified as CVE-2026-98432 may affect multiple Linux distributions, including Ubuntu, with a CVSS security risk score as high as 9.8 out of 10.

Intersect has warned Cardano Stake Pool Operators (SPOs) to immediately check the Linux kernel versions used by block-producing nodes and relay nodes, and to update and restart servers as soon as security patches are released for their respective distributions.

At present, some Linux distributions have provided patches, but some distributions, including Ubuntu, are still preparing updates. Intersect said it will continue to publish security guidance through its official X account and the stake pool operator community.

Source: TechFlow