Advisory Published

ZDI-25-257: (Pwn2Own) Oracle VirtualBox OHCI USB Controller Race Condition Local Privilege Escalation Vulnerability

First published: Wed Apr 30 2025(Updated: )

This vulnerability allows local attackers to escalate privileges on affected installations of Oracle VirtualBox. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.2. The following CVEs are assigned: CVE-2024-21113.

Affected SoftwareAffected VersionHow to fix
Oracle VM VirtualBox

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Frequently Asked Questions

  • What is the severity of ZDI-25-257?

    ZDI-25-257 has a high severity rating due to its potential for local privilege escalation.

  • How do I fix ZDI-25-257?

    To fix ZDI-25-257, apply the latest security patches provided by Oracle for VirtualBox.

  • Who is affected by ZDI-25-257?

    ZDI-25-257 affects users of Oracle VirtualBox who may have local access to the virtual guest systems.

  • Can ZDI-25-257 be exploited remotely?

    No, ZDI-25-257 requires local access to the guest system to exploit the vulnerability.

  • What are the risks associated with ZDI-25-257?

    Exploiting ZDI-25-257 could allow a local attacker to gain elevated privileges, potentially compromising the system.

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