CVE-2026-58007 in Trusted Firmware
Summary
by MITRE • 09/24/2026
Untrusted pointer dereference vulnerability in Altera Trusted Firmware on HPS allows Exploitation of Improperly Configured or Implemented Memory Protections.
This issue affects Trusted Firmware: through socfpga_v2.14.0.
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Analysis
by VulDB Data Team • 09/24/2026
The identified vulnerability represents a critical security flaw within the Altera Trusted Firmware, specifically impacting systems utilizing Hard Processor System (HPS) architectures up to version 2.14.0. This issue is classified as an untrusted pointer dereference error, which fundamentally undermines the integrity of memory management operations performed by the firmware during its initialization and runtime phases. In embedded systems relying on ARM TrustZone technology, such as those based on Altera SoCFPGA platforms, the Trusted Firmware serves as a foundational security component responsible for establishing secure worlds and managing hardware resources before handing control to the normal world operating system. When this layer fails to properly validate pointers received from untrusted sources or improperly configured memory regions, it creates an avenue for attackers to manipulate execution flow or access sensitive data that should remain isolated within the secure monitor context.
From a technical perspective, the core of this vulnerability lies in the failure to enforce strict bounds checking and type safety when dereferencing pointers derived from external inputs or dynamically allocated structures. In C-based firmware development, which is standard for low-level system software, pointer arithmetic must be rigorously controlled to prevent buffer overflows and arbitrary read-write operations. The flaw allows an attacker who has gained access to the non-secure world or can influence early boot parameters to supply maliciously crafted pointers. Because the Trusted Firmware operates at a higher privilege level than user-space applications but lower than hardware-level controls, exploiting this dereference error can lead to escalation of privileges within the secure monitor environment. This effectively bypasses memory protection mechanisms such as Memory Protection Units (MPUs) or System Memory Management Units (SMMUs), which are designed to isolate different execution domains and restrict access to critical system resources.
The operational impact of this vulnerability is severe, particularly in environments where hardware root-of-trust is a primary security requirement. By exploiting improper memory protections, an adversary could potentially compromise the integrity of the secure boot chain, extract cryptographic keys stored in protected memory regions, or inject malicious code into the Trusted Firmware itself. This compromises the entire trust model of the device, as subsequent software components running in the normal world may rely on assurances provided by the trusted firmware that are no longer valid. In industrial control systems, IoT devices, and other critical infrastructure applications built on these platforms, such a breach could lead to remote code execution, denial of service through system crashes, or persistent backdoor installation that survives factory resets if stored in non-volatile secure storage.
This vulnerability aligns with Common Weakness Enumeration (CWE) identifiers such as CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer and CWE-787 Out-of-bounds Write, depending on whether the dereference leads to overwriting memory or reading sensitive data. Furthermore, in the context of the MITRE ATT&CK framework for embedded systems, this flaw facilitates techniques related to Privilege Escalation via Trusted Firmware exploitation and potentially Initial Access if combined with other vectors like bootloader manipulation. The lack of proper input validation on pointers constitutes a fundamental design weakness that violates secure coding principles mandated by standards such as MISRA C or CERT C Coding Standards, which emphasize the necessity of validating all pointer arguments before dereferencing them to ensure memory safety.
Mitigation strategies must focus primarily on updating the Trusted Firmware to versions beyond 2.14.0 where this issue has been addressed through rigorous code audits and enhanced validation routines. Developers should implement strict static analysis tools during the firmware build process to detect potential untrusted pointer usages before deployment. Additionally, runtime hardening measures such as enabling hardware-enforced memory protection features like ARM Memory Tagging Extension (MTE) or configuring MPU regions with restrictive access permissions can limit the blast radius of any remaining vulnerabilities. For systems already in production where immediate patching is not feasible, network segmentation and strict control over physical access to debug interfaces are essential compensating controls to reduce the attack surface available for exploiting this memory corruption flaw.