CVE-2026-24813 in SKRoot-linuxKernelRoot
Summary
by MITRE • 01/27/2026
NULL Pointer Dereference vulnerability in abcz316 SKRoot-linuxKernelRoot (testRoot/jni/utils modules). This vulnerability is associated with program files cJSON.Cpp.
This issue affects SKRoot-linuxKernelRoot.
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Analysis
by VulDB Data Team • 01/27/2026
The CVE-2026-24813 vulnerability represents a critical null pointer dereference flaw within the abcz316 SKRoot-linuxKernelRoot project, specifically impacting the testRoot/jni/utils modules and associated cJSON.Cpp program files. This type of vulnerability falls under the category of improper input validation and memory management errors, which are commonly classified as CWE-476 Null Pointer Dereference within the Common Weakness Enumeration framework. The vulnerability manifests when the system attempts to access memory through a null pointer reference, leading to potential system crashes or unauthorized access conditions that can be exploited by malicious actors.
The technical implementation of this flaw occurs within the cJSON.Cpp module where the software fails to properly validate pointer references before dereferencing them during kernel-level operations. This particular vulnerability affects the SKRoot-linuxKernelRoot framework which is designed for root access management and kernel-level operations on linux systems. When the program encounters a scenario where a pointer expected to contain valid memory address information becomes null, the system attempts to execute operations on this null reference, causing immediate system instability and potential privilege escalation opportunities.
The operational impact of this vulnerability extends beyond simple system crashes to encompass serious security implications within kernel-level environments. Attackers could potentially exploit this null pointer dereference to gain unauthorized access to system resources, manipulate kernel operations, or cause denial of service conditions that could compromise entire system integrity. The vulnerability is particularly dangerous in embedded systems or environments where kernel-level access is required, as it could enable attackers to bypass security mechanisms and execute arbitrary code with elevated privileges. This aligns with ATT&CK technique T1068 for Local Privilege Escalation and T1499 for Endpoint Denial of Service.
Mitigation strategies for CVE-2026-24813 should prioritize immediate patching of the affected cJSON.Cpp module within the SKRoot-linuxKernelRoot framework, ensuring all pointer references are properly validated before dereferencing operations. Organizations should implement comprehensive input validation procedures and memory safety checks within the affected modules, particularly focusing on the testRoot/jni/utils components. Additional protective measures include implementing runtime monitoring for null pointer access patterns, establishing proper error handling routines, and conducting thorough code reviews to identify similar vulnerabilities within the same codebase. The vulnerability demonstrates the critical importance of robust memory management practices in kernel-level software development and highlights the necessity of adhering to secure coding standards that prevent such fundamental pointer dereference errors from occurring in production environments.