Insyde's Security Pledge
Recent Security Advisories

INSYDE-SA-2022065
Product
CVSS Score
Original Date
Last Revised
InsydeH2O
7.2
2022-11-14
Summary
Manipulation of the input address in PnpSmm function 0x52 could be used by malware to overwrite SMRAM or OS kernel memory.
Vulnerability Details
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H
Function 0x52 of the PnpSmm driver is passed the address and size of data to write into the SMBIOS table, but manipulation of the address could be used by malware to overwrite SMRAM or OS kernel memory. This issue was discovered by Insyde engineering during a security review. This issue is fixed in:
Solution Information
Kernel 5.0: 05.09.41
Kernel 5.1: 05.17.43
Kernel 5.2: 05.27.30
Kernel 5.3: 05.36.30
Kernel 5.4: 05.44.30
Kernel 5.5: 05.52.30
Acknowledgements
Revision History
Revision #
Date
Description
1
2022-11-14
Initial Release