Race condition

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...

Race condition

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the HddPassword 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-2022-32474

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

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-2022-32478

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...

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-2022-32954

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...

Race condition

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...

Race condition

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-2022-32469

CVE-2022-32469 affects Insyde InsydeH2O BIOS (kernel 5.0–5.5). It describes a TOCTOU race condition in the PnpSmm shared buffer used by SMM and non-SMM code, which could enable SMRAM corruption and privilege escalation. The advisory notes mitigations: (1) enable IOMMU protection for the ACPI runt...

CVE-2022-32471

CVE-2022-32471 affects InsydeH2O IhisiSmm via the IhisiDxe driver. The command buffer is used to pass input/output data; DMA can modify the command buffer contents after input checks but before use, potentially altering SMRAM or OS and causing data corruption or privilege escalation. Affected is ...

CVE-2022-32475

CVE-2022-32475 concerns Insyde InsydeH2O (kernel 5.0–5.5). DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code can trigger a TOCTOU race condition, potentially causing SMRAM corruption and privilege escalation. The issue is noted to be fixed in the kernel, which also ...

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...

PT-2023-13063 · 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 that could cause TOCTOU race-condition issues due to DMA attacks on the FwBlockServiceSmm shared buffer used by SMM and non-SMM code, potential...

CVE-2022-32473

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

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...

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-2022-32474

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-2022-32955

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...