CVE-2021-41840

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...

Siemens InsydeH2O Allocation of Resources Without Limits or Throttling (CVE-2021-41840)

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. Insyde...

CVE-2021-41840

CVE-2021-41840 affects InsydeH2O-based firmware, specifically the NvmExpressDxe driver in kernel 5.0–5.5. A System Management Mode (SMM) callout flaw allows an attacker to access SMM and execute arbitrary code due to untrusted control-sphere handling. The vulnerability can enable local privilege ...