CVE-2021-43615

CVE-2021-43615 affects Insyde InsydeH2O HddPassword in kernel 5.x (before 05.16.23, 05.26.23, 05.35.23, 05.43.22, 05.51.22). It is a SMM memory corruption vulnerability allowing an attacker to write fixed or predictable data to SMRAM, enabling privilege escalation to System Management Mode (SMM)....

CVE-2021-43615

An issue was discovered in HddPassword in Insyde InsydeH2O with kernel 5.1 before 05.16.23, 5.2 before 05.26.23, 5.3 before 05.35.23, 5.4 before 05.43.22, and 5.5 before 05.51.22. An SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting thi...

CVE-2021-41841

CVE-2021-41841 affects the InsydeH2O AhciBusDxe driver. Affected kernel range is InsydeH2O 5.x. The issue is a SMM callout that can let a local attacker access System Management Mode and execute arbitrary code. Remediation per vendor/plugin details: fixed in InsydeH2O kernel releases, e.g., Kerne...

CVE-2021-41841

An issue was discovered in AhciBusDxe 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-2020-5953

CVE-2020-5953 affects InsydeH2O UEFI firmware, where the System Management Interrupt (SWSMI) handler dereferences EFI_RUNTIME_SERVICES (gRT) to call GetVariable outside SMRAM, enabling code execution in SMM and privilege escalation. Impact is local and architectural, as described in multiple sour...

CVE-2022-24069

An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.0 before 05.08.41, 5.1 before 05.16.29, 5.2 before 05.26.29, 5.3 before 05.35.29, 5.4 before 05.43.29, and 5.5 before 05.51.29. An SMM callout vulnerability allows an attacker to hijack the execution flow of code running in...

Code injection

An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.0 before 05.08.41, 5.1 before 05.16.29, 5.2 before 05.26.29, 5.3 before 05.35.29, 5.4 before 05.43.29, and 5.5 before 05.51.29. An SMM callout vulnerability allows an attacker to hijack the execution flow of code running in...

CVE-2022-24069

An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.0 before 05.08.41, 5.1 before 05.16.29, 5.2 before 05.26.29, 5.3 before 05.35.29, 5.4 before 05.43.29, and 5.5 before 05.51.29. An SMM callout vulnerability allows an attacker to hijack the execution flow of code running in...

CVE-2022-24069

CVE-2022-24069 is an SMM callout vulnerability in InsydeH2O’s AhciBusDxe driver. Root cause: unverified SMM communication flow could allow an attacker to hijack execution in System Management Mode, potentially escalating privileges to SMM. Affected products use InsydeH2O BIOS/firmware; kernel ran...

CVE-2021-43522

An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 2021-11-08, 5.2 through 2021-11-08, and 5.3 through 2021-11-08. A StorageSecurityCommandDxe SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to...

CVE-2021-43522

CVE-2021-43522 concerns Insyde InsydeH2O UEFI firmware. It describes a StorageSecurityCommandDxe SMM memory corruption vulnerability that can allow an attacker to write fixed or predictable data to SMRAM, potentially enabling privilege escalation to System Management Mode (SMM). Affected software...

Dozens of Security Flaws Discovered in UEFI Firmware Used by Several Vendors

As many as 23 new high severity security vulnerabilities have been disclosed in different implementations of Unified Extensible Firmware Interface UEFI firmware used by numerous vendors, including Bull Atos, Fujitsu, HP, Juniper Networks, Lenovo, among others. The vulnerabilities reside in Insyde...

InsydeH2O UEFI software impacted by multiple vulnerabilities in SMM

Overview The InsydeH2O Hardware-2-Operating System H2O UEFI firmware contains multiple vulnerabilities related to memory management in System Management Mode SMM. Description UEFI software provides an extensible interface between an operating system and platform firmware. UEFI software uses a...

CVE-2021-41842

An issue was discovered in AtaLegacySmm in the kernel 5.0 before 05.08.46, 5.1 before 05.16.46, 5.2 before 05.26.46, 5.3 before 05.35.46, 5.4 before 05.43.46, and 5.5 before 05.51.45 in Insyde InsydeH2O. Code execution can occur because the SMI handler lacks a CommBuffer check...

CVE-2021-45971

An issue was discovered in SdHostDriver in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM System Management Mode branch that registers a SWSMI handler that does not...

Buffer overflow

An issue was discovered in SdHostDriver in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM System Management Mode branch that registers a SWSMI handler that does not...

CVE-2021-45970

An issue was discovered in IdeBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM System Management Mode branch that registers a SWSMI handler that does not sufficient...

CVE-2021-45969

An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM System Management Mode branch that registers a SWSMI handler that does not...

CVE-2020-5956

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer...

Buffer overflow

An issue was discovered in IdeBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM System Management Mode branch that registers a SWSMI handler that does not sufficient...