CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 1CVE-2023-22616
https://notcve.org/view.php?id=CVE-2023-22616
12 Apr 2023 — An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before use. Due to insufficient input validation, an attacker can corrupt SMRAM. • https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode • CWE-610: Externally Controlled Reference to a Resource in Another Sphere •
CVSS: 8.8EPSS: 0%CPEs: 6EXPL: 0CVE-2023-22612
https://notcve.org/view.php?id=CVE-2023-22612
11 Apr 2023 — An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. A malicious host OS can invoke an Insyde SMI handler with malformed arguments, resulting in memory corruption in SMM. • https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode • CWE-787: Out-of-bounds Write •
CVSS: 7.0EPSS: 0%CPEs: 4EXPL: 0CVE-2022-32470
https://notcve.org/view.php?id=CVE-2022-32470
15 Feb 2023 — 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 IOMMU protection for the ACPI runtime memory used for the command buffer. This attack can be mitigated by copying the firmware block services data to SMRAM before checking it. • https://www.insyde.com/security-pledge • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 7.0EPSS: 0%CPEs: 4EXPL: 0CVE-2022-32469
https://notcve.org/view.php?id=CVE-2022-32469
15 Feb 2023 — 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 protection for the ACPI runtime memory used for the command buffer. This attack can be mitigated by copying the firmware block services data to SMRAM before checking it. • https://www.insyde.com/security-pledge • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 7.0EPSS: 0%CPEs: 4EXPL: 0CVE-2022-32953
https://notcve.org/view.php?id=CVE-2022-32953
15 Feb 2023 — 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 protection for the ACPI runtime memory used for the command buffer. This attack can be mitigated by copying the link data to SMRAM before checking it and verifying that all pointers are within the buffer. • https://www.insyde.com/security-pledge • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 7.0EPSS: 0%CPEs: 4EXPL: 0CVE-2022-32471
https://notcve.org/view.php?id=CVE-2022-32471
15 Feb 2023 — 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 code may be convinced to modify SMRAM or OS, leading to possible data corruption or escalation of privileges. • https://www.insyde.com/security-pledge • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 7.0EPSS: 0%CPEs: 4EXPL: 0CVE-2022-32954
https://notcve.org/view.php?id=CVE-2022-32954
15 Feb 2023 — 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 protection for the ACPI runtime memory used for the command buffer. This attack can be mitigated by copying the link data to SMRAM before checking it and verifying that all pointers are within the buffer. • https://www.insyde.com/security-pledge • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 7.0EPSS: 0%CPEs: 4EXPL: 0CVE-2022-32476
https://notcve.org/view.php?id=CVE-2022-32476
15 Feb 2023 — 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 protection for the ACPI runtime memory used for the command buffer. This attack can be mitigated by copying the firmware block services data to SMRAM before checking it. • https://www.insyde.com/security-pledge • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 7.0EPSS: 0%CPEs: 4EXPL: 0CVE-2022-32955
https://notcve.org/view.php?id=CVE-2022-32955
15 Feb 2023 — 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 protection for the ACPI runtime memory used for the command buffer. This attack can be mitigated by copying the link data to SMRAM before checking it and verifying that all pointers are within the buffer. • https://www.insyde.com/security-pledge • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVSS: 7.0EPSS: 0%CPEs: 4EXPL: 0CVE-2022-32475
https://notcve.org/view.php?id=CVE-2022-32475
15 Feb 2023 — 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 kernel, which also protected chipset and OEM chipset code. • https://www.insyde.com/security-pledge • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •