CVE-2023-20559

high

Description

Insufficient control flow management in AmdCpmGpioInitSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to escalation of privileges.

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-1027.html

Details

Source: Mitre, NVD

Published: 2023-04-02

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 9

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

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High