CVE-2024-38185 in Windows
Summary
by MITRE • 08/13/2024
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 05/20/2025
This vulnerability represents a critical security flaw in the windows kernel-mode driver subsystem that allows attackers to escalate their privileges from standard user level to system level execution. The vulnerability stems from improper validation of input parameters within kernel-mode components that handle device I/O operations and memory management functions. When malicious code executes with user-level privileges, it can exploit this weakness to manipulate kernel data structures and gain unauthorized access to system resources. The flaw typically manifests through crafted input sequences that trigger buffer overflows or use-after-free conditions in kernel drivers, enabling attackers to execute arbitrary code with elevated privileges.
The technical implementation of this vulnerability involves the exploitation of memory corruption issues within kernel-mode driver interfaces that process untrusted input from user applications. Attackers can leverage this weakness by constructing specific payloads that manipulate driver function parameters or memory layouts to overwrite critical kernel data structures. The vulnerability may be present in various driver components including storage drivers, network adapters, graphics subsystems, or device management interfaces that handle user-supplied data without adequate validation mechanisms. This type of flaw commonly maps to cwe-121 stack-based buffer overflow or cwe-122 heap-based buffer overflow classifications, which are fundamental weaknesses in memory management practices within operating system kernels.
The operational impact of this vulnerability extends beyond simple privilege escalation to encompass complete system compromise and potential data exfiltration capabilities. Once attackers achieve kernel-level execution, they can manipulate system call tables, disable security features such as driver signature enforcement, modify file systems, establish persistent backdoors, and access all user data without restriction. The attack surface is particularly concerning because kernel-mode exploits are extremely difficult to detect through traditional endpoint protection mechanisms since they operate at the same privilege level as the operating system itself. This vulnerability aligns with several attack techniques documented in the mitre att&ck framework under privilege escalation tactics including 'exploitation for privilege escalation' and 'kernel modules and third-party drivers' techniques.
Mitigation strategies for this vulnerability require immediate patch deployment from microsoft security updates which typically address the underlying memory corruption issues through proper input validation and memory management controls. System administrators should implement comprehensive monitoring solutions that can detect anomalous kernel-mode activity patterns and unauthorized driver loading attempts. Additional protective measures include enabling windows defender application control policies, restricting user account permissions, implementing secure boot configurations, and maintaining current antivirus signatures that can identify exploit payloads. Organizations should also conduct regular vulnerability assessments of their kernel-mode driver components and implement network segmentation to limit the potential impact of successful exploitation attempts. The remediation process must include thorough testing of patches in controlled environments before widespread deployment to prevent system instability or service disruption issues.