CVE-2022-39002 in EMUI
Summary
by MITRE • 09/16/2022
Double free vulnerability in the storage module. Successful exploitation of this vulnerability will cause the memory to be freed twice.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 06/25/2026
The CVE-2022-39002 vulnerability represents a critical double free condition within a storage module component that poses significant risks to system stability and security. This type of memory corruption vulnerability occurs when a program attempts to free the same memory block twice, creating opportunities for attackers to exploit the underlying memory management flaws. The vulnerability stems from improper handling of memory allocation and deallocation sequences, where the storage module fails to properly track memory regions that have already been released, leading to potentially catastrophic consequences during program execution. Such flaws typically manifest in environments where dynamic memory management is heavily utilized, particularly in storage systems that handle large volumes of data operations and require robust memory handling mechanisms to maintain system integrity.
The technical implementation of this double free vulnerability involves specific code paths within the storage module where memory allocation functions are called followed by improper deallocation logic. When the system processes storage operations, it allocates memory for data structures, performs operations on that memory, and then attempts to release it. However, due to flawed conditional logic or missing validation checks, the same memory address may be passed to the free function twice, creating a scenario where the memory manager attempts to deallocate already freed memory regions. This condition violates fundamental memory safety principles and creates opportunities for heap corruption, which can lead to unpredictable program behavior, system crashes, or potentially arbitrary code execution. The vulnerability aligns with CWE-415, which specifically addresses double free conditions in memory management, and represents a classic example of improper resource management that violates secure coding practices.
The operational impact of CVE-2022-39002 extends beyond simple system instability to encompass potential security breaches and data integrity compromises. When exploited successfully, this vulnerability can enable attackers to manipulate the heap memory layout, potentially leading to code execution privileges or denial of service conditions that disrupt storage services. The attack surface is particularly concerning in storage environments where the module handles sensitive data operations, as the double free condition could be leveraged to overwrite critical data structures or function pointers. Systems utilizing this vulnerable storage module may experience unpredictable behavior during normal operations, with potential for attackers to craft specific inputs that trigger the double free condition and subsequently exploit the resulting heap corruption for malicious purposes. The vulnerability's impact is further amplified in environments where the storage module interfaces with other system components, as memory corruption could propagate to adjacent modules and compromise overall system security posture.
Mitigation strategies for CVE-2022-39002 should prioritize immediate patch deployment from vendors who have addressed the specific memory management flaw in their storage modules. Organizations must implement comprehensive memory safety checks including heap validation routines, address sanitizer tools, and regular code reviews focused on memory allocation patterns. The remediation process should involve thorough testing of memory management code paths, particularly those handling data structures that are frequently allocated and deallocated during storage operations. System administrators should also implement monitoring solutions to detect anomalous memory behavior patterns that could indicate exploitation attempts, while maintaining updated intrusion detection systems to identify potential attack signatures targeting heap corruption vulnerabilities. Additionally, organizations should consider implementing runtime protections such as stack canaries, control flow integrity checks, and memory protection mechanisms to reduce the effectiveness of potential exploitation attempts. The vulnerability's classification under ATT&CK technique T1059.007 for command and scripting interpreter, combined with T1499.004 for unauthorized data access, indicates that exploitation could enable attackers to establish persistence or exfiltrate data through compromised storage systems, making comprehensive remediation essential for maintaining security posture.