Buffer overflow

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...

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...

Buffer overflow

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-2021-45971

An issue was discovered in SdHostDriver 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-2021-45971

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-2021-41842

CVE-2021-41842 affects Insyde InsydeH2O firmware (AtaLegacySmm) with kernels 5.0–5.5; vulnerability arises from SMI handler lacking a CommBuffer check, enabling potential code execution. Confirmed affected versions are before 05.08.46 (5.0), before 05.16.46 (5.1), before 05.26.46 (5.2), before 05...

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

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-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...

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

CVE-2020-5956 affects InsydeInsydeH2O SdLegacySmm: SMI handler in the BIOS/UEFI code does not verify CommBuffer, allowing untrusted input. Affected when kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, or 5.4 before 05.42.11. Documented impact includes partial integrity and n...

Insyde InsydeH2O 缓冲区错误漏洞

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.Insyde InsydeH2O is vulnerable to a buffer overflow A buffer overflow vulnerability exists in InsydeH2O, whi...

CVE-2021-45970: Out-of-bounds Write

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...

Insyde InsydeH2O 缓冲区错误漏洞

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. A buffer overflow vulnerability exists in InsydeH2O, which stems from the SWSMI handler not adequately...

Insyde InsydeH2O 缓冲区错误漏洞

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. A buffer overflow vulnerability exists in InsydeH2O, which stems from the SWSMI handler not adequately...

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...

CVE-2021-41842: Undefined Security Weakness

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...

CVE-2020-5956: Improper 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-2021-45969: Out-of-bounds Write

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...

Code injection

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...