Information disclosure

An information leak vulnerability in the Smart USB Protection SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory...

CVE-2022-40136

Technical details about CVE-2022-40136 (Lenovo SMI Handler information leak) are not publicly provided in the connected documents. Monitor for updates from Lenovo/NVD/Red Hat and related advisories.

CVE-2022-40136

An information leak vulnerability in SMI Handler used to configure platform settings over WMI in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory...

CVE-2022-40135

CVE-2022-40135 concerns an information-leak in the Smart USB Protection SMI Handler affecting Lenovo devices. The vulnerability may allow a local attacker with elevated privileges to read SMM memory. The PT-2022-25236 entry confirms the issue but provides no specific affected models/versions or a...

CVE-2022-40135

An information leak vulnerability in the Smart USB Protection SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory...

CVE-2022-40135

An information leak vulnerability in the Smart USB Protection SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory...

CVE-2021-26316

A flaw was found in hw. Failure to validate the BIOS's communication buffer and communication service may allow an attacker to tamper with the buffer, resulting in potential System Management Mode SMM arbitrary code execution. Mitigation Please contact AMD for more updates on this flaw...

CVE-2021-46791

Insufficient input validation during parsing of the System Management Mode SMM binary may allow a maliciously crafted SMM executable binary to corrupt Dynamic Root of Trust for Measurement DRTM user application memory that may result in a potential denial of service...

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-2021-26402

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-2021-26316

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...

Buffer overflow

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...

Input validation

Insufficient input validation during parsing of the System Management Mode SMM binary may allow a maliciously crafted SMM executable binary to corrupt Dynamic Root of Trust for Measurement DRTM user application memory that may result in a potential denial of service...

CVE-2021-46791

CVE-2021-46791 describes insufficient input validation during parsing of the System Management Mode (SMM) binary, potentially allowing a malicious SMM executable to corrupt DRTM user application memory and cause a denial of service. The vulnerability is associated with AMD’s System Management Mod...

CVE-2021-46791

Insufficient input validation during parsing of the System Management Mode SMM binary may allow a maliciously crafted SMM executable binary to corrupt Dynamic Root of Trust for Measurement DRTM user application memory that may result in a potential denial of service...

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-2021-26316

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...

AMD Server Vulnerabilities – January 2023

Bulletin ID: AMD-SB-1032 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary During security reviews in collaboration with Google, Microsoft, and Oracle, potential vulnerabilities in the AMD Secure Processor ASP, AMD System Management Un...