Design/Logic Flaw

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...

Code injection

An issue was discovered in NvmExpressDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of Inclusion of Functionality from an Untrusted Control Sphere...

CVE-2022-24031

An issue was discovered in NvmExpressDxe in Insyde InsydeH2O with kernel 5.1 through 5.5. An SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM...

CVE-2022-24031

CVE-2022-24031 affects InsydeH2O’s NvmExpressDxe driver across kernel 5.1–5.5, enabling an SMM memory corruption that could allow an attacker to write fixed or predictable data to SMRAM and escalate to SMM privileges. The related Nessus/Tenable entry, CERT/CC advisories, and vendor communications...

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-2021-33625

Mode C: Normal (concrete details present) Vulnerability: InsydeH2O firmware (Kernel 5.x) used by HddPassword suffers an SMM/SMI buffer validation flaw. Software SMI services that use the EFI_SMM_COMMUNICATION_PROTOCOL’s Communicate() do not verify the buffer address, enabling access to SMRAM, MMI...

CVE-2021-43323

CVE-2021-43323 affects InsydeH2O UsbCoreDxe in multiple InsydeH2O kernel revisions. Root cause: an SMM callout vulnerability allows hijacking execution flow inside System Management Mode, potentially escalating privileges to SMM. Affected: Insyde InsydeH2O with kernels 5.5 before 05.51.45, 5.4 be...

CVE-2021-43323

An issue was discovered in UsbCoreDxe in Insyde InsydeH2O with kernel 5.5 before 05.51.45, 5.4 before 05.43.45, 5.3 before 05.35.45, 5.2 before 05.26.45, 5.1 before 05.16.45, and 5.0 before 05.08.45. An SMM callout vulnerability allows an attacker to hijack execution flow of code running in Syste...

CVE-2021-42113

StorageSecurityCommandDxe in InsydeH2O firmware (Kernel 5.1 before 05.14.28, Kernel 5.2 before 05.24.28, Kernel 5.3 before 05.32.25) contains an SMM callout vulnerability that can hijack execution flow in System Management Mode and escalate privileges to SMM. The issue is fixed in InsydeH2O kerne...

CVE-2021-42113

An issue was discovered in StorageSecurityCommandDxe in Insyde InsydeH2O with Kernel 5.1 before 05.14.28, Kernel 5.2 before 05.24.28, and Kernel 5.3 before 05.32.25. An SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode. Exploiting this...

CVE-2021-41838

CVE-2021-41838 affects Insyde H2O SdHostDriver in the kernel 5.0–5.5. The vulnerability enables an attacker with local access to trigger a System Management Mode (SMM) callout and execute arbitrary code due to a Numeric Range Comparison Without a Minimum Check in SdHostDriver. Across connected so...

CVE-2021-42554

An issue was discovered in Insyde InsydeH2O with Kernel 5.0 before 05.08.42, Kernel 5.1 before 05.16.42, Kernel 5.2 before 05.26.42, Kernel 5.3 before 05.35.42, Kernel 5.4 before 05.42.51, and Kernel 5.5 before 05.50.51. An SMM memory corruption vulnerability in FvbServicesRuntimeDxe allows a...

CVE-2021-42554

CVE-2021-42554 concerns an SMM memory corruption in InsydeH2O’s FvbServicesRuntimeDxe, allowing an attacker to write fixed or predictable data to SMRAM and potentially escalate to System Management Mode. Affected firmware is InsydeH2O with Kernel 5.0 before 05.08.42, 5.1 before 05.16.42, 5.2 befo...

CVE-2021-41839

An issue was discovered in NvmExpressDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges...

CVE-2021-41839

CVE-2021-41839 affects the InsydeH2O/ NvmExpressDxe driver in kernel versions 5.0–5.5. The root cause is an Untrusted Pointer Dereference that can corrupt SMM memory (SMRAM), enabling a local attacker to escalate privileges to System Management Mode. Public records describe the issue as a SMM mem...

CVE-2021-33627

An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.09.11, 5.1 before 05.17.11, 5.2 before 05.27.11, 5.3 before 05.36.11, 5.4 before 05.44.11, and 5.5 before 05.52.11 affecting FwBlockServiceSmm. Software SMI services that use the Communicate function of the EFISMMCOMMUNICATIONPROTOC...

CVE-2021-33627

CVE-2021-33627 affects Insyde InsydeH2O 5.x (FwBlockServiceSmm). The SMM Communicate() handling does not validate the buffer address, enabling use of SMRAM, MMIO, or OS kernel addresses. Impact: local attacker could escalate to SMM execution and potentially compromise SMRAM or firmware. Fixed in ...

CVE-2021-42060

An issue was discovered in Insyde InsydeH2O Kernel 5.0 through 05.08.41, Kernel 5.1 through 05.16.41, Kernel 5.2 before 05.23.22, and Kernel 5.3 before 05.32.22. An Int15ServiceSmm SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode...

CVE-2021-42060

CVE-2021-42060 concerns Insyde InsydeH2O kernel SMM handling. An Int15ServiceSmm SMM callout could hijack execution flow in System Management Mode, enabling privilege escalation to SMM. Affected firmware: InsydeH2O Kernel 5.0–05.08.41, 5.1–05.16.41, 5.2 before 05.23.22, 5.3 before 05.32.22. Remed...

CVE-2021-41837

CVE-2021-41837 affects InsydeH2O’s AhciBusDxe driver in kernel versions 5.0–5.5. The flaw stems from an Untrusted Pointer Dereference that can corrupt SMM memory (SMRAM) and enable a local attacker to escalate privileges to System Management Mode. Public documentation (NVD/Tenable, Binarly/CERT a...