What is CVE-2023-25527?

CVE-2023-25527 is a vulnerability found in NVIDIA DGX H100 BMC where an authenticated local attacker can cause corruption of kernel memory, leading to arbitrary kernel code execution, denial of service, escalation of privileges, and information disclosure.

How does CVE-2023-25527 impact NVIDIA DGX H100 BMC?

CVE-2023-25527 impacts NVIDIA DGX H100 BMC by allowing an authenticated local attacker to corrupt kernel memory and potentially execute arbitrary kernel code, cause denial of service, escalate privileges, and disclose information.

What is the severity of CVE-2023-25527?

CVE-2023-25527 has a severity score of 7.8 (High).

How can an attacker exploit CVE-2023-25527?

An attacker can exploit CVE-2023-25527 by being authenticated locally and leveraging the vulnerability in the host KVM daemon to corrupt kernel memory and execute arbitrary kernel code.

Is there a fix available for CVE-2023-25527?

Yes, a fix for CVE-2023-25527 is available. It is recommended to update the NVIDIA DGX H100 BMC firmware to version 23.08.18 or later.

Vulnerability/
CVE-2023-25527

high

7.8

CWE

119

20/9/2023

24/9/2024

CVE-2023-25527: Buffer Overflow

First published: Wed Sep 20 2023(Updated: )

NVIDIA DGX H100 BMC contains a vulnerability in the host KVM daemon, where an authenticated local attacker may cause corruption of kernel memory. A successful exploit of this vulnerability may lead to arbitrary kernel code execution, denial of service, escalation of privileges, information disclosure, and data tampering.

Credit: psirt@nvidia.com psirt@nvidia.com

Affected Software	Affected Version	How to fix
Nvidia Dgx H100 Firmware	<23.08.18
NVIDIA DGX H100

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Reference Links

https://nvidia.custhelp.com/app/answers/detail/a_id/5473

Frequently Asked Questions

What is CVE-2023-25527?
CVE-2023-25527 is a vulnerability found in NVIDIA DGX H100 BMC where an authenticated local attacker can cause corruption of kernel memory, leading to arbitrary kernel code execution, denial of service, escalation of privileges, and information disclosure.
How does CVE-2023-25527 impact NVIDIA DGX H100 BMC?
CVE-2023-25527 impacts NVIDIA DGX H100 BMC by allowing an authenticated local attacker to corrupt kernel memory and potentially execute arbitrary kernel code, cause denial of service, escalate privileges, and disclose information.
What is the severity of CVE-2023-25527?
CVE-2023-25527 has a severity score of 7.8 (High).
How can an attacker exploit CVE-2023-25527?
An attacker can exploit CVE-2023-25527 by being authenticated locally and leveraging the vulnerability in the host KVM daemon to corrupt kernel memory and execute arbitrary kernel code.
Is there a fix available for CVE-2023-25527?
Yes, a fix for CVE-2023-25527 is available. It is recommended to update the NVIDIA DGX H100 BMC firmware to version 23.08.18 or later.

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