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

CVE-2022-30772

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