CVE-2024-45581 in Snapdragon Auto
Summary
by MITRE • 05/06/2025
Memory corruption while sound model registration for voice activation with audio kernel driver.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 05/06/2025
This vulnerability resides within the audio kernel driver component of a system where memory corruption occurs during the registration process of sound models for voice activation functionality. The flaw manifests when the kernel driver handles the initialization and registration of voice activation models, creating a potential pathway for arbitrary code execution or system instability. The memory corruption aspect suggests that improper memory management or buffer handling occurs during the model registration phase, potentially allowing attackers to manipulate memory layout or overwrite critical data structures. This vulnerability directly impacts the security posture of systems relying on voice activation features, particularly in enterprise environments where audio processing and voice recognition capabilities are integrated into core operational workflows. The issue represents a critical concern for embedded systems and IoT devices that utilize voice activation as a primary user interface mechanism, as these platforms often operate with limited security mitigations.
The technical implementation of this vulnerability stems from inadequate input validation and memory management within the kernel driver's sound model registration routine. When voice activation models are registered, the driver likely allocates memory buffers to store model data and metadata, but fails to properly validate the size or content of incoming model parameters. This mismanagement creates opportunities for buffer overflows or underflows that can corrupt adjacent memory regions, potentially affecting kernel data structures or execution flow. The vulnerability may be classified under common weakness enumeration CWE-121 as it involves stack-based buffer overflow conditions during kernel mode operations. Attackers could exploit this by crafting malicious sound models or model registration parameters that trigger the memory corruption, leading to privilege escalation or system compromise. The kernel driver context places this vulnerability at the heart of system security, as successful exploitation could enable attackers to execute code with kernel-level privileges.
The operational impact of this vulnerability extends beyond simple system instability, as it fundamentally undermines the security model of voice-activated systems. In enterprise environments, this could allow unauthorized individuals to gain elevated privileges or execute malicious code on systems that rely on voice activation for authentication or access control. The vulnerability affects not only desktop and server environments but also embedded systems, mobile devices, and IoT platforms where audio processing is integral to device functionality. Security professionals must consider that voice activation systems often operate continuously and may be exposed to untrusted inputs, making this vulnerability particularly dangerous in environments where these systems are deployed. The potential for privilege escalation means that an attacker could gain full system control, potentially leading to data exfiltration, lateral movement, or persistent access within network environments. Organizations utilizing voice activation features should prioritize immediate remediation due to the high-risk nature of kernel-level memory corruption vulnerabilities.
Mitigation strategies for this vulnerability require both immediate patching and architectural considerations to reduce attack surface. System administrators should prioritize applying vendor-provided patches or updates that address the memory management flaws in the audio kernel driver. Additionally, implementing kernel memory protection mechanisms such as stack canaries, address space layout randomization, and kernel address space layout randomization can provide defense-in-depth against exploitation attempts. Organizations should consider disabling voice activation features temporarily until proper patches are deployed, particularly in environments where the risk of exploitation is high. Monitoring for unusual audio processing activity or kernel memory allocation patterns can help detect potential exploitation attempts. From an operational security perspective, implementing principle of least privilege for audio processing components and regular security assessments of kernel modules can help identify similar vulnerabilities. The ATT&CK framework categorizes this vulnerability under privilege escalation techniques, specifically targeting kernel-mode exploits that leverage memory corruption vulnerabilities for unauthorized system access. Regular vulnerability assessments and security hardening of audio processing components should be integrated into overall security operations to prevent similar issues from emerging in other system components.