| Package | Affected versions | Patched versions |
|---|---|---|
| insydeh2o | = 05.27.37= 05.36.37= 05.44.45= 05.52.45 |
An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. It is possible to write to an attacker-controlled address. An attacker could invoke an SMI handler with a malformed pointer in RCX that overlaps SMRAM, resulting in SMM memory corruption.
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