CVE-2024-22004 in Nest Wifi Pro
Summary
by MITRE • 04/05/2024
Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a vulnerability and leak the secure memory from the Trusted Application
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Analysis
by VulDB Data Team • 07/24/2025
This vulnerability represents a critical security flaw in Linux-based systems where insufficient validation of memory access controls allows unauthorized privilege escalation and data exfiltration. The issue stems from inadequate length validation mechanisms within the operating system's memory management subsystem, specifically affecting the boundary between non-secure and secure execution environments. Attackers with existing privileged access on the Linux non-secure operating system can exploit this weakness to bypass normal security boundaries and access memory regions that should be restricted to trusted applications. The vulnerability creates a pathway for memory leakage that enables attackers to extract sensitive data from secure memory spaces, potentially compromising the integrity of trusted execution environments and the confidentiality of protected information.
The technical implementation of this vulnerability involves a failure in input validation where the system does not properly verify the length of memory operations or access requests. This oversight allows attackers to craft malicious requests that exceed normal bounds and access memory locations that should remain isolated. The flaw specifically affects the interaction between the non-secure operating system and the secure application environment, creating an attack surface where privilege levels can be abused to access restricted memory segments. According to CWE classification, this vulnerability aligns with CWE-129 Input Validation and the broader category of CWE-20 Improper Input Validation, where insufficient validation of input parameters leads to memory corruption and unauthorized access. The attack pattern follows the techniques described in MITRE ATT&CK framework under T1068, Local Privilege Escalation, and T1567, Exfiltration of Data.
The operational impact of this vulnerability extends beyond simple privilege escalation to include potential data breaches and system compromise. When an attacker successfully exploits this vulnerability, they can extract sensitive information from secure memory regions that typically contain cryptographic keys, authentication credentials, or other confidential data. This memory leakage capability represents a significant threat to system security, as it allows for the extraction of information that should remain protected within trusted execution environments. The vulnerability affects systems where Linux operates as a non-secure environment while maintaining secure application execution contexts, potentially impacting enterprise networks, embedded systems, and IoT devices that rely on such security boundaries.
Mitigation strategies should focus on implementing robust input validation mechanisms and strengthening the memory access controls between secure and non-secure execution environments. System administrators should ensure that all memory operations include comprehensive length checks and boundary validations to prevent unauthorized access attempts. Updates to the operating system kernel and secure application frameworks should be prioritized to address the underlying validation flaws. Additionally, organizations should implement monitoring solutions that can detect unusual memory access patterns or attempted privilege escalation activities. The implementation of proper access control lists and mandatory access controls can help prevent unauthorized memory access even if other security measures fail. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in system components and ensure that memory protection mechanisms remain effective against evolving attack techniques.