CVE-2021-41842

An issue was discovered in AtaLegacySmm in the kernel 5.0 before 05.08.46, 5.1 before 05.16.46, 5.2 before 05.26.46, 5.3 before 05.35.46, 5.4 before 05.43.46, and 5.5 before 05.51.45 in Insyde InsydeH2O. Code execution can occur because the SMI handler lacks a CommBuffer check...

Insyde InsydeH2O 安全漏洞

Insyde InsydeH2O is a C source from Insyde Software Taiwan, China that implements the new technology "EFI/UEFI" specification, designed to replace the legacy BIOS Basic Input/Output System. The vulnerability stems from a lack of shared memory monitoring of SMI handles. No detailed vulnerability...

CVE-2021-45969

An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM System Management Mode branch that registers a SWSMI handler that does not...

CVE-2021-45970

An issue was discovered in IdeBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM System Management Mode branch that registers a SWSMI handler that does not sufficient...

CVE-2020-5956

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer...

CVE-2020-5956

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer...

Input validation

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer...

CVE-2021-45971

CVE-2021-45971 affects InsydeH2O’s SdHostDriver in the SMM path. A SWSMI handler registers without adequately validating the CommBufferData buffer, enabling potential SMM memory corruption and, per sources, possible code execution within SMM. Affected kernels: 5.1 before 05.16.25, 5.2 before 05.2...

CVE-2021-45969

CVE-2021-45969 describes a vulnerability in the InsydeH2O firmware’s SMM path (AhciBusDxe) where the SWSMI handler registers a buffer pointer without proper validation, specifically the CommBuffer+8 location. This allows an attacker with local access to trigger memory corruption in System Managem...

CVE-2021-45970

CVE-2021-45970 is an InsydeH2O/IdeBusDxe SMM (System Management Mode) vulnerability. The SMM branch registers a SWSMI handler that does not adequately validate the allocated buffer pointer, specifically the status code stored at CommBuffer+4, enabling memory access issues in SMM. Affected product...

Insyde InsydeH2O 输入验证错误漏洞

Insyde InsydeH2O is a C source from Insyde Software Taiwan, China that implements the new technology "EFI/UEFI" specification, designed to replace the legacy BIOS Basic Input/Output System. No details of the vulnerability are currently available...

PT-2022-11498

Name of the Vulnerable Software and Affected Versions Insyde InsydeH2O kernel versions 5.0 through 5.0 before 05.08.46 Insyde InsydeH2O kernel versions 5.1 through 5.1 before 05.16.46 Insyde InsydeH2O kernel versions 5.2 through 5.2 before 05.26.46 Insyde InsydeH2O kernel versions 5.3 through 5.3...

PT-2022-9048

Name of the Vulnerable Software and Affected Versions Insyde InsydeH2O kernel versions 5.1 through 05.15.10 Insyde InsydeH2O kernel versions 5.2 through 05.25.10 Insyde InsydeH2O kernel versions 5.3 through 05.34.10 Insyde InsydeH2O kernel versions 5.4 through 05.42.10 Description The issue allow...

Insyde Firmware Utility December 2021 Security Updates

HP has been informed of potential security vulnerabilities identified in the Insyde UEFI firmware update utility used by certain HP PC products which may allow escalation of privilege, denial of service, or information disclosure via local access. HP is releasing SoftPaq updates with mitigation f...

Insyde InsydeH2O Security Feature Issue Vulnerability

Insyde InsydeH2O is a C source from Insyde Software Taiwan, China that implements the new technology "EFI/UEFI" specification, designed to replace the legacy BIOS Basic Input/Output System. insydeH2O Int15MicrosoftSmm has a security feature issue vulnerability that stems from uncontrolled input t...

CVE-2020-5955

An issue was discovered in Int15MicrocodeSmm in Insyde InsydeH2O before 2021-10-14 on Intel client chipsets. A caller may be able to escalate privileges...

CVE-2020-5955

CVE-2020-5955 is a privilege-escalation vulnerability in the InsydeH2O BIOS/firmware stack, specifically in the Int15MicrocodeSmm component of InsydeInsydeH2O on Intel client chipsets. The issue arises from uncontrolled input to the SMI handler in the Int15MicrosoftSmm driver, enabling a caller t...

Insyde InsydeH2O Memory Corruption Vulnerability

Insyde InsydeH2O is a C source from Insyde Software Taiwan, China that implements the new technology "EFI/UEFI" specification, designed to replace the legacy BIOS Basic Input/Output System.Insyde InsydeH2O suffers from a memory corruption vulnerability. InsydeH2O is vulnerable to memory corruptio...

CVE-2020-27339

In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory. The fixed versions for this issue in the AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, and...

CVE-2020-27339

CVE-2020-27339 affects InsydeH2O kernel 5.x, where several SMM drivers (AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, SdMmcDeviceDxe) fail to validate the CommBuffer and CommBufferSize, allowing memory corruption of firmware or OS memory. The issue is fixed in kernel 5.1–5.5 with specifi...