CVE-2023-22614

high

Description

An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler.

References

https://www.insyde.com/security-pledge/SA-2023020

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

https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/

Details

Source: Mitre, NVD

Published: 2023-04-11

Updated: 2023-08-14

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: High