CVE Vulnerability

CVE-2022-33905

DMA transactions which are targeted at input buffers used for the AhciBusDxe software SMI handler could cause SMRAM corruption (a TOCTOU attack). DMA transactions which are targeted at input buffers used for the software SMI handler used by the AhciBusDxe driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group, Fixed in kernel 5.2: 05.27.23, kernel 5.3: 05.36.23, kernel 5.4: 05.44.23, kernel 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022047

7 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.insyde.com/security-pledge/SA-2022047 Vendor Advisory
https://www.insyde.com/security-pledge Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*
cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*
cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*
cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*
Information

Published : 2022-11-15 12:15

Updated : 2022-11-18 03:49

NVD link : CVE-2022-33905

Mitre link : CVE-2022-33905

Products Affected
No products.
CWE
CWE-367