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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Affected Vendors & Products
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History
Tue, 04 Nov 2025 20:30:00 +0000
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Status: PUBLISHED
Assigner: mitre
Published: 2022-02-03T01:55:10.000Z
Updated: 2025-11-04T19:12:29.871Z
Reserved: 2021-05-28T00:00:00.000Z
Link: CVE-2021-33625
No data.
Status : Modified
Published: 2022-02-03T02:15:06.930
Modified: 2025-11-04T20:16:00.210
Link: CVE-2021-33625
No data.