An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.09.11, 5.1 before 05.17.11, 5.2 before 05.27.11, 5.3 before 05.36.11, 5.4 before 05.44.11, and 5.5 before 05.52.11 affecting FwBlockServiceSmm. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
18
Affected Products
9
References
insyde / insydeh2o
| - |
| insyde | insydeh2o | 5.3 - 5.35.29 | - |
| siemens | simatic_field_pg_m5_firmware | - | - |
| siemens | simatic_field_pg_m6_firmware | - | - |
| siemens | simatic_ipc127e_firmware | - | - |
| siemens | simatic_ipc227g_firmware | - | - |
| siemens | simatic_ipc277g_firmware | - | - |
| siemens | simatic_ipc327g_firmware | - | - |
| siemens | simatic_ipc377g_firmware | - | - |
| siemens | simatic_ipc427e_firmware | - | - |
| siemens | simatic_ipc477e_firmware | - | - |
| siemens | simatic_ipc627e_firmware | - | - |
| siemens | simatic_ipc647e_firmware | - | - |
| siemens | simatic_ipc677e_firmware | - | - |
| siemens | simatic_ipc847e_firmware | - | - |
| siemens | simatic_itp1000_firmware | - | - |
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Exploitability
Impact