CVE Vulnerability

CVE-2022-31243

Update description and links DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe driver could cause SMRAM corruption through a TOCTOU attack.. "DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in Kernel 5.2: 05.27.21. Kernel 5.3: 05.36.21. Kernel 5.4: 05.44.21. Kernel 5.5: 05.52.21 https://www.insyde.com/security-pledge/SA-2022044

6.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.insyde.com/security-pledge/SA-2022044 Vendor Advisory
https://www.insyde.com/security-pledge Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf
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 : 2023-02-14 12:15

NVD link : CVE-2022-31243

Mitre link : CVE-2022-31243

Products Affected
No products.
CWE
CWE-367