NetSight
high8.2

CVE-2021-41837

An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O.

Impact

An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.

Affected products

VendorProductAffected versions
InsydeInsydeh2o
from 5.0 before 5.08.41
from 5.1 before 5.16.41
from 5.2 before 5.26.41
from 5.3 before 5.35.41
from 5.4 before 5.43.41
from 5.5 before 5.51.41
SiemensSimatic Field Pg M5 Firmware
All versions
SiemensSimatic Field Pg M6 Firmware
All versions
SiemensSimatic Ipc127e Firmware
All versions
SiemensSimatic Ipc227g Firmware
All versions
SiemensSimatic Ipc277g Firmware
All versions
SiemensSimatic Ipc327g Firmware
All versions
SiemensSimatic Ipc377g Firmware
All versions
SiemensSimatic Ipc427e Firmware
All versions
SiemensSimatic Ipc477e Firmware
All versions
SiemensSimatic Ipc627e Firmware
All versions
SiemensSimatic Ipc647e Firmware
All versions

Weakness classification

References