Overview
Vulnerability CVE-2025-24325 is a significant security issue that directly impacts the Linux kernel-mode driver for some Intel(R) 800 Series Ethernet before version 1.17.2. This vulnerability arises from improper input validation, leading to a potential escalation of system privileges. As a result, any authenticated user with local access can potentially compromise the system or lead to data leakage. Given the widespread use of Linux and Intel hardware, this vulnerability could affect a vast number of systems worldwide, underscoring the critical importance of its mitigation.
Vulnerability Summary
CVE ID: CVE-2025-24325
Severity: High (8.8 CVSS Severity Score)
Attack Vector: Local
Privileges Required: User
User Interaction: None
Impact: Potential system compromise or data leakage due to privilege escalation
Affected Products
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Product | Affected Versions
Intel(R) 800 Series Ethernet Driver | Before version 1.17.2
How the Exploit Works
The exploit takes advantage of the improper input validation in the Linux kernel-mode driver for some Intel(R) 800 Series Ethernet. An authenticated user, using local access, could feed the driver maliciously crafted data. Due to the lack of proper input validation, this data could trigger an unexpected behavior in the driver, leading to a scenario where privileges could be escalated, allowing the attacker to perform unauthorized actions or access sensitive information.
Conceptual Example Code
Assuming a local context, an attacker might execute a command like the following:
echo 'malicious_payload' > /proc/driver/intel_ethernetThis action writes the ‘malicious_payload’ to a proc file associated with the driver. If the driver does not correctly validate this input, it could lead to unexpected behavior, including privilege escalation.
Please note that this is a conceptual example and may not represent an accurate depiction of the exploit. It is provided to illustrate the general mechanism of this vulnerability.
Mitigation Guidance
Users affected by this vulnerability should apply the vendor patch as soon as possible. If immediate patching is not possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation. It is crucial to keep all systems updated to prevent exploitation of known vulnerabilities.