CVE-2021-41837High· 8.2▾ TwilightAn 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. …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 45.1 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 11.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
0.3% → 0.3%
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.
insydeh2o >= 5.0, < 5.08.41insydeh2o >= 5.1, < 5.16.41insydeh2o >= 5.2, < 5.26.41insydeh2o >= 5.3, < 5.35.41insydeh2o >= 5.4, < 5.43.41insydeh2o >= 5.5, < 5.51.41simatic_field_pg_m5_firmwaresimatic_field_pg_m6_firmwaresimatic_ipc127e_firmwaresimatic_ipc227g_firmwaresimatic_ipc277g_firmwaresimatic_ipc327g_firmwaresimatic_ipc377g_firmwaresimatic_ipc427e_firmwaresimatic_ipc477e_firmwaresimatic_ipc627e_firmwaresimatic_ipc647e_firmwaresimatic_ipc677e_firmwaresimatic_ipc847e_firmwaresimatic_itp1000_firmwareUpgrade past the affected range:
insydeh2o 5.51.41Connected by shared product, vendor, weakness, or advisory.
CVE-2021-41839High· 8.2An issue was discovered in NvmExpressDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O
CVE-2021-41838High· 8.2An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O
CVE-2021-33627High· 8.2An 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
CVE-2021-33625High· 7.5An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword
CVE-2022-24031High· 8.2An issue was discovered in NvmExpressDxe in Insyde InsydeH2O with kernel 5.1 through 5.5
CVE-2022-24030High· 7.5An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 through 5.5