Overview
The cybersecurity world is once again faced with a pressing issue in the form of a new vulnerability, identified as CVE-2025-23244. This vulnerability lies within the NVIDIA GPU Display Driver for Linux and could potentially allow an unprivileged attacker to escalate permissions. As a consequence, a successful exploit may lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering. It’s crucial for organizations using NVIDIA GPU Display Driver for Linux to understand the severity and implications of this vulnerability, as it poses a real risk of system compromise or data leakage.
Vulnerability Summary
CVE ID: CVE-2025-23244
Severity: High (7.8 CVSS Score)
Attack Vector: Local
Privileges Required: Low
User Interaction: None
Impact: Code execution, Denial of Service, Escalation of Privileges, Information Disclosure, Data Tampering
Affected Products
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Product | Affected Versions
NVIDIA GPU Display Driver for Linux | All Versions
How the Exploit Works
The exploit involves an unprivileged attacker exploiting this vulnerability to escalate permissions without requiring user interaction. This is possible due to improper isolation of system activities within NVIDIA GPU Display Driver for Linux. Once the attacker has escalated permissions, they have the potential to execute code, cause a denial of service, escalate further privileges, disclose information, and tamper with data.
Conceptual Example Code
Here’s a simple conceptual example of how this vulnerability might be exploited. Please note that this is a hypothetical scenario and does not represent an actual exploit.
# Attacker gains low-level access to the system
$ ssh attacker@target.example.com
# Attacker identifies the NVIDIA GPU Display Driver for Linux
$ lsmod | grep nvidia
# Attacker uses a crafted payload to exploit the vulnerability
$ echo "malicious_payload" > /dev/nvidia0In this example, the attacker first gains low-level access to the system. They then identify the NVIDIA GPU Display Driver for Linux and use a specifically crafted payload to exploit the vulnerability. This leads to permission escalation, after which the attacker is free to undertake malicious activities such as data tampering or information disclosure.
To protect against this vulnerability, affected organizations are advised to apply vendor patches or use Web Application Firewalls/Intrusion Detection Systems as temporary mitigation.