ZDI-26-608: Linux Kernel KVM IOAPIC Use-After-Free Local Privilege Escalation Vulnerability

Executive Summary

A local privilege escalation vulnerability (ZDI-26-608) in the Linux kernel’s KVM IOAPIC subsystem allows an attacker with local code execution to exploit a use‑after‑free bug, raising privileges. The Zero Day Initiative rated it CVSS 8.2.


Intelligence Metadata - Source Publisher: Zero Day Initiative - Published Date: 2026-08-24T05:00:00+00:00 - Category: cves

Original Description: This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.2.

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Source: Zero Day Initiative