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-2022-32954

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...

PT-2023-13062 · 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 PnpSmm shared buffer could cause TOCTOU race-condition issues, leading to corruption of SMRAM and escalation of...

PT-2023-13064 · Insyde · Insydeh2O

Name of the Vulnerable Software and Affected Versions: Insyde InsydeH2O with kernel versions 5.0 through 5.5 Description: An issue was discovered in IhisiSmm where the IhisiDxe driver uses a command buffer to pass input and output data. By modifying the command buffer contents with DMA after inpu...

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-2022-32955

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-2022-32474

CVE-2022-32474 affects InsydeH2O BIOS (InsydeH2O kernel 5.0–5.5). The issue is a TOCTOU race in the DMA path on the StorageSecurityCommandDxe shared buffer used by SMM and non-SMM code, which can lead to SMRAM corruption and privilege escalation. The root cause involves a race between memory chec...

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...

Insyde InsydeH2O 安全漏洞

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

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-2022-32471

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-2022-32476

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-2022-32954

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-2022-32477

CVE-2022-32477 affects Insyde InsydeH2O BIOS (kernel 5.0–5.5). The vulnerability stems from TOCTOU race conditions in the FvbServicesRuntimeDxe shared buffer used by SMM and non-SMM code, potentially causing SMRAM corruption and privilege escalation. MITIGATIONS documented in the sources include ...

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-2022-32955

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

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-2022-32476

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-2022-32478

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