AMD EPYC Security Vulnerability

AMD EPYC is an x86 architecture server microprocessor product line from AMD, known as "Xiao Long" in Chinese, utilizing the Zen microarchitecture. The AMD EPYC suffers from a security vulnerability that stems from insufficient validation of the DRAM address in the System Management Unit SMU, whic...

CVE-2022-23821: Undefined Security Weakness

Improper access control in System Management Mode SMM may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution...

CVE-2021-46774: Undefined Security Weakness

Insufficient DRAM address validation in System Management Unit SMU may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service...

CVE-2023-20533: Undefined Security Weakness

Insufficient DRAM address validation in System Management Unit SMU may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service...

AMD EPYC Input Validation Error Vulnerability

AMD EPYC is a line of x86 architecture server microprocessors from AMD, known in Chinese as "霄龙", which utilizes the Zen microarchitecture. The AMD EPYC suffers from a security vulnerability that originates from an inability to validate the AMD SMM communication buffer, which could allow an...

AMD Ryzen Security Breach

AMD Ryzen is a central processing unit CPU from Ultraviolet Semiconductor AMD. AMD Ryzen suffers from a security vulnerability that stems from incorrect input validation in the SMM Supervisor that could allow an attacker with a compromised SMI handler to gain Ring0 access, which could lead to...

AMD Client Vulnerabilities – November 2023

Bulletin ID: AMD-SB-4002 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary Potential vulnerabilities in AMD Secure Processor ASP, AMD System Management Unit SMU, and other platform components were reported, and mitigations are being...

CVE-2023-20565: Improper Privilege Management

Insufficient protections in System Management Mode SMM code may allow an attacker to potentially enable escalation of privilege via local access...

CVE-2023-20563: Improper Privilege Management

Insufficient protections in System Management Mode SMM code may allow an attacker to potentially enable escalation of privilege via local access...

PT-2023-8272 · Amd +1 · Amd Processor Firmware +1

Name of the Vulnerable Software and Affected Versions: AMD affected versions not specified Description: The issue is related to the implementation of System Management Mode SMM in AMD processor firmware, specifically due to insufficient input validation. This could allow a remote attacker to...

AMD EPYC Security Vulnerability

AMD EPYC is an x86 architecture server microprocessor product line from AMD, known as "Xiao Long" in Chinese, utilizing the Zen microarchitecture. The AMD EPYC suffers from a security vulnerability that stems from insufficient validation of the DRAM address in the System Management Unit SMU, whic...

Lenovo Bios Buffer Error Vulnerability

Lenovo Bios is a boot method for computers from the Chinese company Lenovo Lenovo. It is used to boot the system during computer startup. Lenovo Bios suffers from a buffer error vulnerability that stems from a memory leak vulnerability in the NvmramSmm SMM driver...

Lenovo Bios Input Validation Error Vulnerability

Lenovo Bios is a boot method for computers from the Chinese company Lenovo Lenovo. It is used to boot the system during computer startup. Lenovo Bios suffers from an input validation error vulnerability that stems from a potential vulnerability in the SMI callback function of the OemSmi driver...

CVE-2023-39283

An SMM memory corruption vulnerability in the SMM driver SMRAM write in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation...

CVE-2023-39284

An issue was discovered in IhisiServicesSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There are arbitrary calls to SetVariable with unsanitized arguments in the SMI handler...

Insyde InsydeH2O Security Breach

Insyde InsydeH2O is a C-language source from Insyde Corporation of Taiwan that implements the new technology "EFI/UEFI" specification, designed to replace the traditional BIOS Basic Input/Output System. A security vulnerability exists in the Insyde InsydeH2O kernel versions 5.0 to 5.5, which...

PT-2023-26866 · Insyde · Insydeh2O

Name of the Vulnerable Software and Affected Versions: Insyde InsydeH2O versions 5.0 through 5.5 Description: An issue was discovered in IhisiServicesSmm where there are arbitrary calls to SetVariable with unsanitized arguments in the SMI handler. This allows for the modification of protected NVR...

Insyde InsydeH2O Security Breach

Insyde InsydeH2O is a C-language source from Insyde Corporation of Taiwan that implements the new technology "EFI/UEFI" specification, designed to replace the traditional BIOS Basic Input/Output System. A security vulnerability exists in Insyde InsydeH2O, which is caused by a memory corruption in...

CVE-2022-4574

An SMI handler input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code...

Lenovo ThinkPad Input Validation Error Vulnerability

Lenovo ThinkPad is a portable computer from Lenovo, a Chinese company. The Lenovo ThinkPad suffers from an input validation error vulnerability that stems from a security issue in the SMI handler in the BIOS that could allow an attacker with local access and elevated privileges to execute arbitra...