PT-2026-98611

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A potential NULL pointer dereference exists in the x86/amd node component. The functions amd smn read and amd smn write wrap the amd smn rw function and remain available even if amd smn...

PT-2026-98610

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the amd smn init function where PCI device reference counting is handled incorrectly. The local root pointer, used as a temporary variable during device search, does n...

CVE-2021-46747

Insufficient granularity of access control in ASP AMD Secure Processor may allow an attacker with an untrusted user space application to map sensitive SMN System Management Network apertures leading to a potential escalation of privileges...

CVE-2021-46747

Insufficient granularity of access control in ASP AMD Secure Processor may allow an attacker with an untrusted user space application to map sensitive SMN System Management Network apertures leading to a potential escalation of privileges...

CVE-2021-46747: Insufficient Granularity of Access Control

Insufficient granularity of access control in ASP AMD Secure Processor may allow an attacker with an untrusted user space application to map sensitive SMN System Management Network apertures leading to a potential escalation of privileges...

CVE-2025-61972

The CVE-2025-61972 entry describes a vulnerability in AMD NBIO where missing lock bit protection on NBIO registers can be exploited by a local admin with high privileges to gain arbitrary System Management Network (SMN) access. This can potentially lead to arbitrary code execution within the AMD ...

CVE-2025-61972

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network SMN access, potentially resulting in arbitrary code execution in AMD Secure Processor ASP and loss of the SEV-SNP guest's confidentiality and integrity...

CVE-2025-61972: Security-Sensitive Hardware Controls with Missing Lock Bit Protection

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network SMN access, potentially resulting in arbitrary code execution in AMD Secure Processor ASP and loss of the SEV-SNP guest's confidentiality and integrity...

Design/Logic Flaw

A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network SMN registers leading to a loss of integrity and availability...

CVE-2021-26362

Summary: CVE-2021-26362 describes a vulnerability in AMD System Management Unit (SMU) where a malicious or compromised UApp/ABL can issue a malformed system call to map sensitive SMN registers, potentially compromising integrity and availability. The CVE is associated with AMD platforms and is mi...

CVE-2021-26362

A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network SMN registers leading to a loss of integrity and availability...

PT-2022-9738

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned in the provided descriptions. Description A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call, which results in mapping sensitive System Management...

CVE-2021-26362: Undefined Security Weakness

A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network SMN registers leading to a loss of integrity and availability...

CVE-2020-12961

CVE-2020-12961 affects AMD Platform Security Processor (PSP). The issue could allow an attacker to zero a privileged register on the System Management Network, potentially bypassing SPI ROM protections. Documented impact is high (CVSSv3.1: 7.8 Local, High impact) with local access and no user int...

CVE-2019-9744: Session Fixation

An issue was discovered on PHOENIX CONTACT FL NAT SMCS 8TX, FL NAT SMN 8TX, FL NAT SMN 8TX-M, and FL NAT SMN 8TX-M-DMG devices. There is unauthorized access to the WEB-UI by attackers arriving from the same source IP address as an authenticated user, because this IP address is used as a session...