CVE-2023-31322 in Radeon RX 7000 Graphics Products
Summary
by MITRE • 09/06/2025
Type confusion in the ASP could allow an attacker to pass a malformed argument to the Reliability, Availability, and Serviceability trusted application (RAS TA) potentially leading to a read or write to shared memory resulting in loss of confidentiality, integrity, or availability.
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Analysis
by VulDB Data Team • 09/06/2025
The vulnerability identified as CVE-2023-31322 represents a critical type confusion flaw within the Application Specific Processor (ASP) component of a trusted application environment. This issue specifically affects the Reliability, Availability, and Serviceability trusted application (RAS TA) framework where improper type handling creates opportunities for malicious input manipulation. The vulnerability stems from insufficient validation mechanisms that fail to properly distinguish between different data types during runtime execution, creating a condition where an attacker can manipulate input parameters to trigger unexpected behavior within the system's memory management structures.
The technical implementation of this flaw involves a classic type confusion attack vector where the ASP component processes arguments without adequate type checking or validation. When a malformed argument is passed to the RAS TA application, the system's type resolution mechanism becomes compromised, potentially allowing an attacker to manipulate memory layout expectations. This condition creates opportunities for unauthorized memory access patterns that can result in information disclosure, data corruption, or system instability. The vulnerability operates at a fundamental level where the runtime environment fails to maintain proper type boundaries between different data structures, enabling attackers to exploit the underlying memory management mechanisms.
The operational impact of this vulnerability extends beyond simple data integrity concerns to encompass broader system security implications. An attacker who successfully exploits this type confusion could potentially achieve arbitrary read or write access to shared memory segments, thereby compromising the confidentiality and integrity of sensitive system data. The consequences may include unauthorized access to system resources, privilege escalation opportunities, or complete system compromise depending on the execution context and available privileges. This vulnerability particularly affects environments where the RAS TA application operates with elevated privileges or has direct access to critical system memory regions, making the potential impact significantly more severe.
Mitigation strategies for CVE-2023-31322 should focus on implementing comprehensive input validation and type checking mechanisms within the ASP framework. Organizations should deploy immediate patches or updates provided by vendors that address the specific type confusion vulnerability in the RAS TA component. Additional protective measures include implementing runtime monitoring for anomalous type handling patterns, establishing stricter access controls for the affected application, and conducting thorough code reviews to identify similar type confusion vulnerabilities within the broader codebase. The mitigation approach should align with established security frameworks such as the CWE-467 standard for improper use of type system, and consider ATT&CK techniques related to privilege escalation and memory corruption attacks to ensure comprehensive protection against exploitation attempts.