Exploited
high
8.2
CWE
123 787
Advisory Published
CVE Published
Updated

CVE-2025-22225: VMware ESXi Arbitrary Write Vulnerability

First published: Tue Mar 04 2025(Updated: )

VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write leading to an escape of the sandbox.

Credit: security@vmware.com

Affected SoftwareAffected VersionHow to fix
VMware ESXi and Horizon DaaS
VMware ESXi and Horizon DaaS
VMware ESXi and Horizon DaaS=7.0
VMware ESXi and Horizon DaaS=7.0-beta
VMware ESXi and Horizon DaaS=7.0-update_1
VMware ESXi and Horizon DaaS=7.0-update_1a
VMware ESXi and Horizon DaaS=7.0-update_1b
VMware ESXi and Horizon DaaS=7.0-update_1c
VMware ESXi and Horizon DaaS=7.0-update_1d
VMware ESXi and Horizon DaaS=7.0-update_1e
VMware ESXi and Horizon DaaS=7.0-update_2
VMware ESXi and Horizon DaaS=7.0-update_2a
VMware ESXi and Horizon DaaS=7.0-update_2c
VMware ESXi and Horizon DaaS=7.0-update_2d
VMware ESXi and Horizon DaaS=7.0-update_2e
VMware ESXi and Horizon DaaS=7.0-update_3
VMware ESXi and Horizon DaaS=7.0-update_3c
VMware ESXi and Horizon DaaS=7.0-update_3d
VMware ESXi and Horizon DaaS=7.0-update_3e
VMware ESXi and Horizon DaaS=7.0-update_3f
VMware ESXi and Horizon DaaS=7.0-update_3g
VMware ESXi and Horizon DaaS=7.0-update_3i
VMware ESXi and Horizon DaaS=7.0-update_3j
VMware ESXi and Horizon DaaS=7.0-update_3k
VMware ESXi and Horizon DaaS=7.0-update_3l
VMware ESXi and Horizon DaaS=7.0-update_3m
VMware ESXi and Horizon DaaS=7.0-update_3n
VMware ESXi and Horizon DaaS=7.0-update_3o
VMware ESXi and Horizon DaaS=7.0-update_3p
VMware ESXi and Horizon DaaS=7.0-update_3q
VMware ESXi and Horizon DaaS=7.0-update_3r
VMware ESXi and Horizon DaaS=8.0
VMware ESXi and Horizon DaaS=8.0-a
VMware ESXi and Horizon DaaS=8.0-b
VMware ESXi and Horizon DaaS=8.0-c
VMware ESXi and Horizon DaaS=8.0-update_1
VMware ESXi and Horizon DaaS=8.0-update_1a
VMware ESXi and Horizon DaaS=8.0-update_1c
VMware ESXi and Horizon DaaS=8.0-update_1d
VMware ESXi and Horizon DaaS=8.0-update_2
VMware ESXi and Horizon DaaS=8.0-update_2b
VMware ESXi and Horizon DaaS=8.0-update_2c
VMware ESXi and Horizon DaaS=8.0-update_3
VMware ESXi and Horizon DaaS=8.0-update_3b
VMware ESXi and Horizon DaaS=8.0-update_3c
VMware vCenter Server and Cloud Foundation
VMware Telco Cloud Infrastructure=2.2
VMware Telco Cloud Infrastructure=2.5
VMware Telco Cloud Infrastructure=2.7
VMware Telco Cloud Infrastructure=3.0
VMware Telco Cloud Platform=2.0
VMware Telco Cloud Platform=2.5
VMware Telco Cloud Platform=2.7
VMware Telco Cloud Platform=3.0
VMware Telco Cloud Platform=4.0
VMware Telco Cloud Platform=4.0.1
VMware Telco Cloud Platform=5.0

Remedy

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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Reference Links

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2025-22225?

    CVE-2025-22225 is considered a high severity vulnerability due to its potential for arbitrary kernel writes.

  • How do I mitigate CVE-2025-22225?

    To mitigate CVE-2025-22225, ensure that VMware ESXi is updated to the latest security patch provided by VMware.

  • Who is affected by CVE-2025-22225?

    CVE-2025-22225 affects users of VMware ESXi who have configured permissions that allow access to the VMX process.

  • What type of vulnerability is CVE-2025-22225?

    CVE-2025-22225 is classified as an arbitrary write vulnerability, which may lead to a sandbox escape.

  • Can CVE-2025-22225 allow a malicious actor to escalate privileges?

    Yes, CVE-2025-22225 can potentially allow a malicious actor to escalate privileges within the affected system.

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