| Package | Affected versions | Patched versions |
|---|---|---|
| insydeh2o | ≥ 5.1, < 5.16.23≥ 5.2, < 5.26.23≥ 5.3, < 5.35.23≥ 5.4, < 5.43.22≥ 5.5, < 5.51.22 | 5.16.235.26.235.35.235.43.225.51.22 |
An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. 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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