Siemens InsydeH2O Inclusion of Functionality from Untrusted Control Sphere (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. Insyde BIOS...

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...