CVE-2022-29279

CVE-2022-29279 involves a vulnerability in InsydeH2O BIOS where the use of an untrusted pointer allows tampering with SMRAM and OS memory in SdHostDriver and SdMmcDevice. Root cause: untrusted pointer handling in the affected code paths. Impact (per sources): potential memory tampering with high ...

Insyde InsydeH2O buffer error vulnerability

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 5.0 to 5.5, which arises from the use of untrusted...

CVE-2022-29279

Use of a untrusted pointer allows tampering with SMRAM and OS memory in SdHostDriver and SdMmcDevice Use of a untrusted pointer allows tampering with SMRAM and OS memory in SdHostDriver and SdMmcDevice. This issue was discovered by Insyde during security review. It was fixed in: Kernel 5.0: versi...

CVE-2022-33908

CVE-2022-33908 affects the SdHostDriver SMI handler: DMA targeted at input buffers can cause SMRAM corruption via a TOCTOU race condition. The issue is caused by TOCTOU in DMA handling of the SdHostDriver software SMI input buffers. Affected software/hardware is described in the Siemens/Insyde ma...

CVE-2022-33908: Time-of-check Time-of-use (TOCTOU) Race Condition

DMA transactions which are targeted at input buffers used for the SdHostDriver 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 SdHostDriver driver could cause SMRAM...

CVE-2022-33908

DMA transactions which are targeted at input buffers used for the SdHostDriver 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 SdHostDriver driver could cause SMRAM...

SdHostDriver Component Code Execution

The vulnerability of the SdHostDriver component in the InsydeH2O UEFI firmware creation framework is related to writing beyond the buffer boundaries in memory. Exploiting this vulnerability allows an attacker to execute arbitrary code on the target system...

CVE-2021-41838

An issue was discovered in SdHostDriver 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 a Numeric Range Comparison Without a Minimum Check...

CVE-2021-41838

An issue was discovered in SdHostDriver 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 a Numeric Range Comparison Without a Minimum Check...

Code injection

An issue was discovered in SdHostDriver 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 a Numeric Range Comparison Without a Minimum Check...

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-2021-41838

An issue was discovered in SdHostDriver 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 a Numeric Range Comparison Without a Minimum Check...

CVE-2021-41838: Improper Restriction of Operations within the Bounds of a Memory Buffer

An issue was discovered in SdHostDriver 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 a Numeric Range Comparison Without a Minimum Check...

PT-2022-11494

Name of the Vulnerable Software and Affected Versions InsydeH2O kernel versions 5.0 through 5.5 Description The issue allows an attacker to access the System Management Mode and execute arbitrary code due to a Numeric Range Comparison Without a Minimum Check in the SdHostDriver. This vulnerabilit...

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...

CVE-2021-45971: Out-of-bounds Write

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-2021-45971

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...

CVE-2021-45971

CVE-2021-45971 affects InsydeH2O’s SdHostDriver in the SMM path. A SWSMI handler registers without adequately validating the CommBufferData buffer, enabling potential SMM memory corruption and, per sources, possible code execution within SMM. Affected kernels: 5.1 before 05.16.25, 5.2 before 05.2...

PT-2022-1743

Name of the Vulnerable Software and Affected Versions InsydeH2O kernel versions 5.1 through 05.16.24 InsydeH2O kernel versions 5.2 through 05.26.24 InsydeH2O kernel versions 5.3 through 05.35.24 InsydeH2O kernel versions 5.4 through 05.43.24 InsydeH2O kernel versions 5.5 through 05.51.24...