CVE-2021-26402

CVE-2021-26402 describes insufficient bounds checking in the AMD Secure Processor (ASP) firmware during BIOS mailbox handling, enabling an attacker to write partially controlled data out-of-bounds into SMM or SEV-ES regions and potentially compromise integrity and availability. The issue is discu...

CVE-2021-26402

Insufficient bounds checking in ASP AMD Secure Processor firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability...

CVE-2021-26343

Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information disclosure...

CVE-2021-26343

Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information disclosure...

CVE-2021-26343

CVE-2021-26343 describes insufficient validation in AMD’s ASP BIOS and DRTM commands, potentially allowing malicious supervisor x86 software to disclose memory contents (information disclosure). The vulnerability is linked to the AMD Secure Processor (ASP) and BIOS/DRTM handling, with impact limi...

CVE-2021-46795

A TOCTOU time-of-check to time-of-use vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service...

CVE-2021-46795

CVE-2021-46795 is a TOCTOU vulnerability where a compromised BIOS can trigger the TEE OS to read memory out-of-bounds, potentially causing a denial of service. Public details consistently describe the affected component as the TEE/ASP-SMU hardware stack in AMD platforms with BIOS-based mitigation...

CVE-2021-26316

Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM System Management Mode arbitrary code execution...

CVE-2021-26316

CVE-2021-26316 describes a BIOS-level input/communication buffer validation flaw in AMD platforms that may allow a local attacker with low privileges to tamper BIOS buffers and trigger SMM (System Management Mode) arbitrary code execution. Connected sources confirm the root cause is inadequate va...

CVE-2021-26316

Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM System Management Mode arbitrary code execution...

PT-2023-12589 · Tee Os · Tee Os

Name of the Vulnerable Software and Affected Versions: TEE OS affected versions not specified Description: A TOCTOU time-of-check to time-of-use issue exists, allowing an attacker with a compromised BIOS to potentially cause the TEE OS to read memory out of bounds, resulting in a denial of servic...

PT-2023-1487 · Amd · Amd Bios

Name of the Vulnerable Software and Affected Versions: AMD BIOS software affected versions not specified Description: The issue is related to a failure in validating the communication buffer and service in the BIOS, which may allow an attacker to tamper with the buffer, potentially leading to...

CVE-2023-20522: Improper Input Validation

Insufficient input validation in ASP may allow an attacker with a malicious BIOS to potentially cause a denial of service...

PT-2023-1407 · Amd · Amd Bios

Name of the Vulnerable Software and Affected Versions: AMD BIOS software affected versions not specified Description: The issue is related to a buffer overflow in the memory of AMD processor security microcode, potentially allowing a remote attacker to disclose protected information. It involves...

PT-2023-1402 · Amd · Amd Bios +1

Name of the Vulnerable Software and Affected Versions: AMD BIOS affected versions not specified Description: The issue is related to insufficient validation in ASP BIOS and DRTM commands, which may allow malicious supervisor x86 software to disclose the contents of sensitive memory, resulting in...

PT-2023-1366 · Amd · Amd Bios

Name of the Vulnerable Software and Affected Versions: AMD BIOS affected versions not specified Description: The issue is related to insufficient input validation of BIOS mailbox messages in SMU, which may result in out-of-bounds memory reads, potentially leading to a denial of service. This can ...

CVE-2021-26402: Out-of-bounds Write

Insufficient bounds checking in ASP AMD Secure Processor firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability...

CVE-2021-26343: Exposure of Resource to Wrong Sphere

Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information disclosure...

CVE-2023-20530: Improper Input Validation

Insufficient input validation of BIOS mailbox messages in SMU may result in out-of-bounds memory reads potentially resulting in a denial of service...

PT-2023-1486 · Amd · Amd Bios

Name of the Vulnerable Software and Affected Versions: AMD BIOS software affected versions not specified Description: The issue is related to insufficient bounds checking in the AMD Secure Processor firmware when handling BIOS mailbox commands. This can allow an attacker to write...