Description
An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of Inclusion of Functionality from an Untrusted Control Sphere.
References (5)
Scores
CVSS v3
8.2
EPSS
0.0006
EPSS Percentile
17.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-829
Status
published
Products (1)
insyde/insydeh2o
5.0 - 5.08.29
Published
Feb 03, 2022
Tracked Since
Feb 18, 2026