CVE-2022-32267

DMA transactions which are targeted at input buffers used for the SmmResourceCheckDxe software SMI handler cause SMRAM corruption a TOCTOU attack DMA transactions which are targeted at input buffers used for the software SMI handler used by the SmmResourceCheckDxe driver could cause SMRAM...

CVE-2022-33982

CVE-2022-33982 concerns a DMA-based TOCTOU vulnerability in the Int15ServiceSmm software SMI handler. The parameter buffer accessed by the SMI handler is susceptible to DMA manipulation, allowing an attacker to alter values after they are checked but before use, potentially causing SMRAM corrupti...

PT-2022-20634 · Insyde · Fvbservicesruntimedxe

Name of the Vulnerable Software and Affected Versions: FvbServicesRuntimeDxe driver versions prior to Kernel 5.2: 05.27.21 FvbServicesRuntimeDxe driver versions prior to Kernel 5.3: 05.36.21 FvbServicesRuntimeDxe driver versions prior to Kernel 5.4: 05.44.21 FvbServicesRuntimeDxe driver versions...

CVE-2022-32266

The connected records provide concrete details for CVE-2022-32266 affecting Insyde InsydeH2O. The vulnerability arises from DMA attacks against the parameter buffer used by the PcdSmmDxe software SMI handler, enabling a TOCTOU race condition that can corrupt other ACPI fields and adjacent memory....

CVE-2022-32267

CVE-2022-32267 concerns DMA targeting input buffers used by the SmmResourceCheckDxe SMI handler in InsydeH2O UEFI firmware, leading to SMRAM corruption via a TOCTOU vulnerability. The issue, discovered by Insyde engineering, is mitigated by kernel updates: Kernel 5.2 (05.27.23), 5.3 (05.36.23), 5...

CVE-2022-33982

DMA attacks on the parameter buffer used by the Int15ServiceSmm software SMI handler could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. DMA attacks on the parameter buffer used by the software SMI handler used by the driver Int15ServiceSmm could lead to a TOCTOU...

PT-2022-21946 · Insyde · Insydeh2O Uefi Firmware

Name of the Vulnerable Software and Affected Versions: InsydeH2O UEFI firmware kernel versions prior to 5.2: 05.27.25 InsydeH2O UEFI firmware kernel versions prior to 5.3: 05.36.25 InsydeH2O UEFI firmware kernel versions prior to 5.4: 05.44.25 InsydeH2O UEFI firmware kernel versions prior to 5.5:...

Insyde InsydeH2O 安全漏洞

Insyde InsydeH2O is a C source from Insyde Corporation, 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 VariableRuntimeDxe, which arises from the...

CVE-2022-32266

DMA attacks on the parameter buffer used by a software SMI handler used by the driver PcdSmmDxe could lead to a TOCTOU attack on the SMI handler and lead to corruption of other ACPI fields and adjacent memory fields. DMA attacks on the parameter buffer used by a software SMI handler used by the...

CVE-2022-33984

DMA transactions which are targeted at input buffers used for the SdMmcDevice software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the SdMmcDevice driver could cause SMRAM corrupti...

CVE-2022-33986

DMA attacks on the parameter buffer used by the VariableRuntimeDxe software SMI handler could lead to a TOCTOU attack. DMA attacks on the parameter buffer used by the software SMI handler used by the driver VariableRuntimeDxe could lead to a TOCTOU attack on the SMI handler and lead to corruption...

CVE-2022-33983

DMA transactions which are targeted at input buffers used for the NvmExpressLegacy software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the NvmExpressLegacy driver could cause SMRA...

CVE-2022-33986

CVE-2022-33986 concerns DMA attacks on the parameter buffer used by the InsydeH2O/VariableRuntimeDxe SMI handler, potentially enabling a TOCTOU attack and SMRAM corruption. Public sources specify the vulnerable component as the VariableRuntimeDxe driver’s SMI handler parameter buffer, with exploi...

Multiple race conditions due to TOCTOU flaws in various UEFI Implementations

Overview Multiple Unified Extensible Firmware Interface UEFI implementations are vulnerable to code execution in System Management Mode SMM by an attacker who gains administrative privileges on the local machine. An attacker can corrupt the memory using Direct Memory Access DMA timing attacks tha...

Dell BIOS Input Validation Error Vulnerability (CNVD-2023-08764)

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell, U.S.A. An input validation error vulnerability exists in Dell BIOS, which could be exploited by a locally authenticated attacker to obtain arbitrary code execution in SMRAM using SMI...

Dell BIOS Buffer Overflow Vulnerability (CNVD-2023-08761)

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell, U.S.A. A buffer overflow vulnerability exists in Dell BIOS, which can be exploited by a local, authenticated attacker to obtain arbitrary code execution in SMRAM using SMI...

Unspecified Vulnerability in Dell BIOS

Dell BIOS is embedded software on a small memory chip on the motherboard of a computer from Dell USA. A security vulnerability exists in Dell BIOS, which can be exploited by an attacker to execute arbitrary code in SMRAM through the use of SMI...

Dell BIOS Input Validation Error Vulnerability (CNVD-2023-08762)

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell, U.S.A. An input validation error vulnerability exists in Dell BIOS, which could be exploited by a locally authenticated attacker to obtain arbitrary code execution in SMRAM using SMI...

Dell BIOS Buffer Overflow Vulnerability

Dell BIOS is embedded software on a small memory chip on the motherboard of a computer from Dell USA. A buffer overflow vulnerability exists in Dell BIOS, which can be exploited by an authenticated, local attacker to execute intentional code in SMRAM using SMI...

Dell BIOS Input Validation Error Vulnerability (CNVD-2023-08765)

Dell BIOS is embedded software on a small memory chip on a computer motherboard from Dell, U.S.A. An input validation error vulnerability exists in Dell BIOS, which can be exploited by a locally authenticated attacker to obtain arbitrary code execution in SMRAM by using SMI...