CVE-2022-30771

Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions. This issue was discovered by Insyde engineering during a security review. Fixed in:...

CVE-2022-29276

SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. This issue was discovered by Insyde during security review. It was fixed in: Kernel 5.0: version 05.09.18 Kernel 5.1: version 05.17.18...

CVE-2022-24350

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. IHISI function 0x17 verifies that the output buffer lies within the command buffer but does not verify that output data does not go beyond the end of the command buffer. In particular, the GetFlashTable function ...

CVE-2022-32954

An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 5.5. DMA attacks on the SdMmcDevice buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This attack can be mitigated by using IOMMU...

CVE-2022-30774

DMA attacks on the parameter buffer used by the PnpSmm driver could change the contents after parameter values have been checked but before they are used a TOCTOU attack DMA attacks on the parameter buffer used by the PnpSmm driver could change the contents after parameter values have been checke...

CVE-2021-33625

An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate function of the EFISMMCOMMUNICATIONPROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses...

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-2020-27339

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-2024-52880

A security vulnerability exists in the Insyde InsydeH2O kernel (versions 5.2 through 5.7) involving a buffer over-read in the VariableRuntimeDxe driver . The issue occurs because the SecureBootHandler relies on DataSize and VariableNameSize values supplied by the caller, which cannot be trusted. ...

CVE-2024-52879: Buffer Over-read

An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver,...

CVE-2024-52877: Buffer Over-read

An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver,...

CVE-2024-52877

An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver,...

Insyde InsydeH2O kernel security vulnerabilities

Insyde InsydeH2O kernel is a program kernel for updating computer BIOS from Insyde, a Chinese company. A security vulnerability exists in Insyde InsydeH2O kernel versions prior to 5.7 05.70.50, which is caused by a buffer over-read...

Insyde InsydeH2O kernel security vulnerabilities

Insyde InsydeH2O kernel is a program kernel for updating computer BIOS from Insyde, a Chinese company. A security vulnerability exists in Insyde InsydeH2O kernel versions prior to 5.7 05.70.50, which is caused by a buffer over-read...

PT-2025-17631 · Insyde · Insydeh2O

Name of the Vulnerable Software and Affected Versions: Insyde InsydeH2O kernel versions 5.2 through 05.29.49 Insyde InsydeH2O kernel versions 5.3 through 05.38.49 Insyde InsydeH2O kernel versions 5.4 through 05.46.49 Insyde InsydeH2O kernel versions 5.5 through 05.54.49 Insyde InsydeH2O kernel...

CVE-2024-49200

An issue was discovered in AcpiS3SaveDxe and ChipsetSvcDxe in Insyde InsydeH2O with kernel 5.2 though 5.7. A potential DXE memory corruption vulnerability has been identified. The root cause is use of a pointer originating from the value of an NVRAM variable as the target of a write operation. Th...

CVE-2024-49200: Out-of-bounds Write

An issue was discovered in AcpiS3SaveDxe and ChipsetSvcDxe in Insyde InsydeH2O with kernel 5.2 though 5.7. A potential DXE memory corruption vulnerability has been identified. The root cause is use of a pointer originating from the value of an NVRAM variable as the target of a write operation. Th...

PT-2025-16503

Name of the Vulnerable Software and Affected Versions Insyde InsydeH2O versions 5.2 through 5.7 Description A potential memory corruption issue has been identified in AcpiS3SaveDxe and ChipsetSvcDxe. The root cause is the use of a pointer originating from the value of an NVRAM variable as the...

CVE-2024-33228

An issue in the component segwindrvx64.sys of Insyde Software Corp SEG Windows Driver v100.00.07.02 allows attackers to escalate privileges and execute arbitrary code via sending crafted IOCTL requests...

CVE-2024-39707

Insyde IHISI function 0x49 can restore factory defaults for certain UEFI variables without further authentication by default, which could lead to a possible roll-back attack in certain platforms. This is fixed in: kernel 5.2, version 05.29.19; kernel 5.3, version 05.38.19; kernel 5.4, version...