CVE-2026-16006 in Armoury Crate
Summary
by MITRE • 09/08/2026
Exposure of Sensitive System Information to an Unauthorized Control Sphere in Armoury Crate driver allows a local user to obtain kernel virtual addresses via a crafted IOCTL request by bypassing the driver's verification, potentially providing further insight into the kernel memory layout.Refer to the ' Security Update for Armoury Crate App ' section on the ASUS Security Advisory for more information.
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Analysis
by VulDB Data Team • 09/08/2026
The vulnerability identified in the Armoury Crate driver represents a critical failure in input validation and access control mechanisms within the operating system's kernel interface layer. This flaw allows an unauthorized local user to bypass security checks implemented by the driver, specifically those designed to restrict access to sensitive internal data structures. By crafting specific IOCTL (Input/Output Control) requests that exploit these verification gaps, an attacker can extract kernel virtual addresses from memory space that should remain isolated and protected from user-mode processes. This type of vulnerability is fundamentally categorized under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor, as it results in the leakage of data that aids further exploitation rather than causing immediate system compromise on its own.
The technical mechanism behind this flaw involves a deficiency in how the driver validates IOCTL codes and their associated parameters before processing them. In secure software design, drivers must rigorously check whether the calling process has sufficient privileges to request specific operations and ensure that input data falls within expected bounds or formats. Here, the verification logic is either absent or insufficiently robust, allowing malicious actors to send specially crafted requests that trick the driver into returning internal kernel pointers. These virtual addresses are not merely random memory locations; they contain critical information about the layout of the kernel in physical and virtual memory space. The ability to read these addresses effectively breaks a key security boundary between user mode and kernel mode, which is essential for maintaining system integrity.
The operational impact of this vulnerability extends beyond simple data leakage, as it serves as a foundational step for more severe attacks such as privilege escalation. Knowledge of the kernel's virtual memory layout enables attackers to bypass modern operating system mitigations like Kernel Address Space Layout Randomization (KASLR). KASLR is designed to randomize the base addresses of kernel modules and structures at boot time, making it difficult for exploit code to locate specific functions or data structures required for a successful attack. By obtaining these virtual addresses through the Armoury Crate driver flaw, an attacker can calculate the exact locations of critical kernel components with high precision. This significantly lowers the barrier for developing reliable exploits that could lead to arbitrary code execution in ring 0, effectively granting full control over the system and all its resources.
From a threat intelligence perspective, this vulnerability aligns closely with MITRE ATT&CK technique T1057: Process Discovery or more specifically techniques related to memory disclosure such as those found under Privilege Escalation pathways where kernel information is gathered prior to exploitation. It also relates to the broader category of improper input validation that allows for side-channel-like extraction of system state. The presence of such a flaw in widely deployed hardware management software like Armoury Crate increases the attack surface significantly, especially on systems where users run these utilities with elevated privileges or where the driver loads automatically at startup without strict permission checks.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. The primary defense is to apply the security update provided by ASUS as soon as possible, which patches the IOCTL verification logic in the Armoury Crate driver. Until updates are applied, administrators should consider restricting access to the device associated with the driver or disabling the service if it is not actively required for system operation. From a development standpoint, this incident highlights the necessity of implementing strict input validation and privilege checks within all kernel-mode drivers. Developers must ensure that IOCTL handlers verify both the caller's integrity level and the validity of input parameters before accessing sensitive memory regions. Additionally, employing compiler-based protections such as Control Flow Guard (CFG) and Structured Exception Handling Overwrite Protection (SEHOP), along with enabling full KASLR enforcement, can help mitigate the impact even if similar vulnerabilities are discovered in other components. Regular security audits and fuzzing of driver code are essential practices to identify and eliminate these types of verification bypasses before they reach production environments.