Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The FwBlockSericceSmm driver does not properly validate input parameters for a software SMI routine, leading to memory corruption of arbitrary addresses including SMRAM, and possible arbitrary code execution.

Related CPE's

a

insyde

insydeh2o

6

References

https://binarly.io/advisories/BRLY-2022-024/index.html

ExploitThird Party Advisory

https://www.insyde.com/security-pledge

Vendor Advisory

https://www.insyde.com/security-pledge/SA-2022033

Vendor Advisory

Weaknesses

[email protected]

Primary
CWE-787

CVSS impact metrics

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

8.2 · High

  • CVSS V3.1

  • CVSS V3.0

  • CVSS V2.0

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2022-09-21T21:15:09.150

2 years ago

Last modified

2022-09-26T15:40:20.697

2 years ago