Overview
The cybersecurity world has been alerted to the presence of a new Common Vulnerabilities and Exposures (CVE) labeled CVE-2025-24486. This vulnerability, found in Intel’s 700 Series Ethernet Linux kernel-mode driver, poses a significant threat to systems operating on the affected versions, specifically those prior to version 2.28.5. It is crucial to be aware of this vulnerability because it can allow an authenticated user local access to potentially enable escalation of privilege. This means that a once benign user could potentially gain unauthorized access to a system’s critical components, leading to system compromise or data leakage.
Vulnerability Summary
CVE ID: CVE-2025-24486
Severity: High (7.8 CVSS score)
Attack Vector: Local Access
Privileges Required: User Level
User Interaction: None
Impact: Successful exploitation could lead to system compromise and potential data leakage.
Affected Products
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Product | Affected Versions
Intel(R) 700 Series Ethernet Linux kernel-mode driver | Before 2.28.5
How the Exploit Works
The vulnerability originates from improper input validation within the Linux kernel-mode driver of Intel’s 700 Series Ethernet. An authenticated user exploiting this vulnerability could, through local access, manipulate or insert malicious inputs that the system fails to correctly validate. This could potentially allow the user to escalate their privilege levels within the system, giving them access to sensitive system components or data.
Conceptual Example Code
While the exact exploitation method is not disclosed to protect systems from potential attackers, it might involve a user inputting a specially crafted command or code. A conceptual example could look like this:
$ echo "malicious_payload" > /dev/intel_eth0In the above pseudocode example, `intel_eth0` represents the vulnerable device, and `malicious_payload` is an input that is not correctly validated by the system, leading to undesired behavior or state.
Mitigation Guidance
To mitigate the risk posed by this vulnerability, users are advised to update their Intel(R) 700 Series Ethernet Linux kernel-mode driver to version 2.28.5 or later. If immediate patching is not possible, adopting a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can offer temporary protection. However, this should not replace the need for the recommended patch as these are only temporary solutions.
