CVE-2021-26331

AMD System Management Unit SMU contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution...

CVE-2021-26336

Insufficient bounds checking in System Management Unit SMU may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other components...

CVE-2020-12961

A potential vulnerability exists in AMD Platform Security Processor PSP that may allow an attacker to zero any privileged register on the System Management Network which may lead to bypassing SPI ROM protections...

CVE-2020-12951

Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM System Management Mode operations...

Heap overflow

AMD System Management Unit SMU may experience a heap-based overflow which may result in a loss of resources...

Authorization

Insufficient DRAM address validation in System Management Unit SMU may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests...

Out-of-bounds

Insufficient bounds checking in System Management Unit SMU may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other components...

Design/Logic Flaw

AMD System Management Unit SMU contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution...

CVE-2021-26329

AMD System Management Unit SMU may experience an integer overflow when an invalid length is provided which may result in a potential loss of resources...

CVE-2021-26338

Improper access controls in System Management Unit SMU may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources...

CVE-2021-26338

Improper access controls in System Management Unit SMU may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources...

Improper access control

Improper access controls in System Management Unit SMU may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources...

CVE-2020-12961

A potential vulnerability exists in AMD Platform Security Processor PSP that may allow an attacker to zero any privileged register on the System Management Network which may lead to bypassing SPI ROM protections...

CVE-2021-26331

AMD System Management Unit SMU contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution...

CVE-2021-26331

CVE-2021-26331 affects the AMD System Management Unit (SMU). The vulnerability description indicates a malicious user could manipulate mailbox entries to achieve arbitrary code execution. Impact and exploit details are not provided beyond this, but the AMD-SB-1021 bulletin notes mitigations via O...

CVE-2020-12951

CVE-2020-12951 describes a race condition in the AMD Platform Security Processor (ASP) firmware that could allow less-privileged x86 code to perform ASP SMM operations. Connected sources confirm this vulnerability and tie it to AMD ASP/SMU firmware, with AMD advisories indicating mitigations via ...

CVE-2021-26336

CVE-2021-26336 concerns AMD System Management Unit (SMU) with insufficient bounds checking that can cause invalid memory accesses/updates, leading to an SMU hang and the system may fail to service further requests from other components. Multiple sources confirm the issue under the SMU and referen...

CVE-2021-26338

The CVE targets AMD's System Management Unit (SMU) in AMD EPYC processors (1st–3rd Gen) where improper access controls may allow an attacker to override DRAM performance-control tables, risking resource exhaustion. Affected components/versions are stated in AMD’s bulletin AMD-SB-1021 (AGESA mitig...

PT-2021-17015 · Unknown · Amd System Management Unit

Name of the Vulnerable Software and Affected Versions: System Management Unit SMU affected versions not specified Description: The issue is related to improper access controls in the System Management Unit SMU, which may allow an attacker to override performance control tables located in DRAM. Th...

PT-2021-17014 · Amd · Athlon™ Series +87

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned. Description: The issue is related to insufficient DRAM address validation in the System Management Unit SMU, which may cause a DMA read from an invalid DRAM address to SRAM. This can result in t...