CVE-2022-32471

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. The IhisiDxe driver uses the command buffer to pass input and output data. By modifying the command buffer contents with DMA after the input parameters have been checked but before they are used, the IHISI SMM co...

CVE-2022-32470

CVE-2022-32470 affects Insyde InsydeH2O BIOS (kernel 5.0–5.5). A TOCTOU race condition in the FwBlockServiceSmm shared buffer (used by SMM and non-SMM code) could lead to SMRAM corruption and privilege escalation. Documented mitigations include using IOMMU protection for the ACPI runtime memory u...

CVE-2022-32475

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared 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 issue was fixed in the kerne...

CVE-2022-32475

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared 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 issue was fixed in the kerne...

CVE-2022-32476

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the AhciBusDxe shared 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 using IOMMU...

CVE-2022-32953

CVE-2022-32953 affects Insyde InsydeH2O BIOS (kernel 5.0–5.5). DMA-based TOCTOU on the SdHostDriver buffer in SMM and non-SMM code could corrupt SMRAM and escalate privileges. Mitigations per the sources include enabling IOMMU protection for the ACPI runtime memory used for the command buffer and...

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...

PT-2023-13070 · Insyde · Insydeh2O

Name of the Vulnerable Software and Affected Versions: Insyde InsydeH2O versions 5.0 through 5.5 Description: An issue was discovered in Insyde InsydeH2O where DMA attacks on the FvbServicesRuntimeDxe shared buffer could cause TOCTOU race-condition issues, leading to corruption of SMRAM and...

CVE-2022-32955

The CVE-2022-32955 issue affects Insyde InsydeH2O BIOS (kernel 5.0–5.5) where DMA attacks on the NvmExpressDxe buffer used by SMM/non-SMM code cause TOCTOU race conditions. This can lead to SMRAM corruption and privilege escalation. The documented mitigations are: use IOMMU protection for the ACP...

CVE-2022-32476

CVE-2022-32476 affects InsydeInsydeH2O firmware (kernel 5.0–5.5). DMA-driven TOCTOU between SMM and non-SMM paths on AhciBusDxe shared buffer could corrupt SMRAM and enable privilege escalation. Mitigations documented: enable IOMMU protection for the ACPI runtime memory used by the command buffer...

CVE-2022-32953

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the SdHostDriver 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-2022-32478

CVE-2022-32478 concerns InsydeH2O firmware (kernel 5.0–5.5). A DMA-driven TOCTOU race in the IdeBusDxe shared buffer used by SMM and non-SMM code could lead to SMRAM corruption and privilege escalation. Documented mitigations include enabling IOMMU protection for the ACPI runtime memory that back...

CVE-2022-32955

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the NvmExpressDxe 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-2022-32470

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the FwBlockServiceSmm shared 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 using...

CVE-2022-32953

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the SdHostDriver 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-2022-32954

The CVE-2022-32954 issue affects Insyde InsydeH2O BIOS (kernel 5.1–5.5). Description and connected sources confirm a TOCTOU race condition via DMA on SdMmcDevice buffer used by SMM and non-SMM code, risking SMRAM corruption and privilege escalation. Impacts are locally exploitable and context-spe...

CVE-2022-32955

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the NvmExpressDxe 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-2022-32476

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the AhciBusDxe shared 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 using IOMMU...

CVE-2022-32473

CVE-2022-32473 affects InsydeH2O firmware (kernel 5.0–5.5). The issue is a TOCTOU race condition in a DMA path where the HddPassword shared buffer is accessed by SMM and non-SMM code, risking SMRAM corruption and privilege escalation. The underlying vulnerability arises from timing when the firmw...

CVE-2022-32469

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the PnpSmm shared 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 using IOMMU...