Vulnerability CVE-2021-41841


Published: 2022-02-03

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.

Type:

CWE-829

(Inclusion of Functionality from Untrusted Control Sphere)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Insyde -> Insydeh2o 

 References:
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022019

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