Information Disclosure and Denial of Service in NVIDIA Mellanox DPDK Poll Mode Driver

CVE-2025-23259

What is CVE-2025-23259?

CVE-2025-23259 is a vulnerability discovered in the NVIDIA Mellanox Data Plane Development Kit (DPDK) Poll Mode Driver (PMD), which is utilized for high-performance network data processing. This vulnerability allows an attacker operating within a virtual machine to exploit the system, potentially leading to severe consequences such as information disclosure and denial of service (DoS) affecting the network interface. The flaw primarily arises from improper handling of certain inputs, which can cause unintended access to sensitive information and disrupt network operations, ultimately jeopardizing the overall security and reliability of affected organizations’ network infrastructure.

Potential impact of CVE-2025-23259

1. Information Disclosure: Exploitation of this vulnerability can enable attackers to gain unauthorized access to sensitive information that may be traversing the network interfaces managed by the DPDK PMD. This could lead to the exposure of confidential data and strategic insights critical for business operations.

2. Denial of Service: The vulnerability can lead to denial of service conditions, where the network interface becomes unresponsive due to malicious input. This disruption can significantly affect the availability of network resources, impairing an organization’s ability to conduct business transactions and maintain operations.

3. Increased Attack Surface: By allowing an attacker within a virtual machine to exploit this vulnerability, it increases the potential attack surface for adversaries, making it easier for them to launch further attacks or compromise additional systems within the network, thereby amplifying the overall security risk for organizations relying on affected NVIDIA technologies.

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