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9.9критическая

CVE-2026-7374

Описание

A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to the host's container runtime (CRI-O) socket, an attacker can hijack virt-handler's privileged connection. This enables the attacker to access any Unix socket on the host, potentially leading to full control of the node and the entire cluster.

CVSS
Балл9.9 — критическая
ВекторCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Источники
https://access.redhat.com/errata/RHSA-2026:20720https://access.redhat.com/errata/RHSA-2026:20736https://access.redhat.com/errata/RHSA-2026:20763https://access.redhat.com/errata/RHSA-2026:20767https://access.redhat.com/errata/RHSA-2026:20782https://access.redhat.com/errata/RHSA-2026:20825https://access.redhat.com/errata/RHSA-2026:20866https://access.redhat.com/errata/RHSA-2026:20886