Insyde's Security Pledge

Recent Security Advisories

INSYDE-SA-2022005

Product

CVSS Score

Original Date

Last Revised

InsydeH2O

7.5

2022-01-04

2022-02-08

Summary

SdLegacySmm: Software SMI handler does not verify CommBuffer, allowing untrusted external input (CVE-2020-5956).

Vulnerability Details

CVSS Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVE-2020-5956

This corresponds to CVE-2020-5956. It affects the driver SdLegacySmm. It was discovered by an external researcher. It was fixed in the following versions:

Solution Information

Kernel 5.1: 05.15.11
Kernel 5.2: 05.25.11
Kernel 5.3: 05.34.11
Kernel 5.4: 05.42.11
Kernel 5.5: Unaffected

Acknowledgements

Revision History

Revision #

Date

Description

1

2022-01-04

Initial Release

1.1

2022-02-08

Added CVSS Rating