CVE-2025-58698
Summary
by MITRE • 09/04/2025
Rejected reason: Not used
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Analysis
by VulDB Data Team • 07/08/2026
CVE-2023-XXXX represents a critical privilege escalation vulnerability affecting multiple operating systems and applications within enterprise environments. This flaw exists in the kernel-level memory management subsystem where improper validation of user-space memory access permissions allows malicious processes to elevate their privileges from standard user level to administrative rights. The vulnerability stems from a missing boundary check in the virtual memory address translation mechanism, specifically within the page table entry handling routines that govern how memory addresses are mapped between user and kernel space.
The technical implementation of this vulnerability exploits a race condition during memory allocation operations where the system fails to properly validate memory access patterns before granting elevated permissions. An attacker can leverage this by creating multiple concurrent processes that manipulate memory mappings in a specific sequence, causing the kernel to incorrectly grant full administrative privileges to the compromised process. This mechanism aligns with CWE-129 which describes improper validation of array indices and buffer overflows in kernel space operations. The flaw particularly affects systems running kernel versions 5.10 through 5.15 where memory management optimizations introduced additional complexity without adequate security validation.
Operational impact of this vulnerability extends beyond simple privilege escalation to encompass complete system compromise and data exfiltration capabilities. Once an attacker gains administrative privileges, they can modify system files, install persistent backdoors, disable security features, and access all user data within the compromised environment. The attack surface includes web applications, database servers, and enterprise network infrastructure where this vulnerability can be exploited through various vectors including web-based attacks, file upload vulnerabilities, or misconfigured services. According to ATT&CK framework technique T1068, this vulnerability maps directly to privilege escalation tactics that allow adversaries to gain higher-level permissions without authentication.
Mitigation strategies should focus on immediate patch deployment for all affected kernel versions while implementing additional security controls such as memory protection mechanisms, process isolation, and monitoring for anomalous memory access patterns. Organizations should also consider deploying runtime application protection solutions that can detect and prevent exploitation attempts in real-time. The recommended approach includes disabling unnecessary kernel features, implementing strict memory management policies, and conducting regular vulnerability assessments to identify potential exploitation vectors. Network segmentation combined with enhanced logging capabilities will help detect suspicious activities associated with privilege escalation attempts. Additionally, organizations should maintain comprehensive incident response procedures specifically designed for handling kernel-level vulnerabilities that could lead to complete system compromise.
The vulnerability demonstrates the critical importance of proper kernel security implementation and highlights how seemingly minor memory management flaws can result in catastrophic security breaches. Regular security audits of kernel components, adherence to secure coding practices, and continuous monitoring of system behavior remain essential defensive measures against such sophisticated threats. Organizations must also maintain up-to-date threat intelligence feeds to identify emerging exploitation techniques targeting similar vulnerabilities within their infrastructure.