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

CVSS v3.0 7.0 HIGH

7.0^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.0 / 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

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Configurations

Configuration 1 (hide)

OR	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 : 2022-11-14 16:15

Updated : 2022-11-18 07:49

NVD link : CVE-2022-33905

Mitre link : CVE-2022-33905

JSON object : View

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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Products Affected

insyde

kernel

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