CVE-2025-22893 in 800 Series Ethernet
Summary
by MITRE • 08/12/2025
Insufficient control flow management in the Linux kernel-mode driver for some Intel(R) 800 Series Ethernet before version 1.17.2 may allow an authenticated user to potentially enable escalation of privilege via local access.
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Analysis
by VulDB Data Team • 08/12/2025
The vulnerability identified as CVE-2025-22893 resides within the Linux kernel-mode driver implementation for Intel(R) 800 Series Ethernet network adapters, specifically affecting versions prior to 1.17.2. This issue represents a critical weakness in the kernel's privilege management mechanisms, where inadequate control flow handling creates exploitable conditions that could be leveraged by authenticated local users to escalate their privileges. The flaw manifests in the driver's kernel-mode components that manage network interface operations, particularly during privilege transition scenarios where proper access controls and validation checks are insufficiently enforced.
The technical root cause of this vulnerability stems from improper control flow management within the kernel driver's execution paths, creating potential attack vectors through which malicious code could manipulate the normal execution flow of kernel operations. This mismanagement allows for unauthorized privilege escalation by exploiting the driver's handling of local user requests and system calls that should normally be restricted to kernel-level operations. The vulnerability specifically affects the driver's ability to properly validate and control access during critical system transitions, where the kernel fails to adequately enforce privilege boundaries between user-space and kernel-space operations. This weakness aligns with CWE-697, which addresses insufficient control flow management leading to privilege escalation, and represents a direct violation of the principle of least privilege in kernel security design.
From an operational perspective, this vulnerability presents a significant risk to systems running affected Intel 800 Series Ethernet drivers, as it requires only local authenticated access to potentially compromise the entire system. An attacker with regular user privileges could exploit this flaw to gain kernel-level privileges, enabling them to execute arbitrary code with the highest system permissions. The impact extends beyond simple privilege escalation, as kernel-level access provides complete control over system resources, including the ability to modify system files, access all user data, and potentially establish persistent backdoors. The vulnerability affects systems where the Intel 800 Series Ethernet driver is installed and actively running, making it particularly concerning for enterprise environments where network connectivity is essential and local user access may not be strictly controlled.
Mitigation strategies for CVE-2025-22893 primarily focus on immediate driver version updates to 1.17.2 or later, which contain the necessary patches to address the control flow management issues. Organizations should prioritize deployment of the updated driver versions across all affected systems, particularly those with high-security requirements or critical network infrastructure. Additional defensive measures include implementing strict access controls to limit local user privileges, monitoring for suspicious kernel-level activities, and conducting regular security audits of installed drivers and their versions. The vulnerability demonstrates the importance of maintaining current driver versions and implementing proper security controls in kernel-mode components, aligning with ATT&CK technique T1068 which covers privilege escalation through kernel-mode exploits. System administrators should also consider implementing network segmentation and access controls to limit potential attack surface, while monitoring for unusual system behavior that might indicate exploitation attempts.