CVE-2022-33907

DMA transactions which are targeted at input buffers used for the software SMI handler used by the IdeBusDxe 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 IdeBusDxe 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: 05.27.25, kernel 5.3: 05.36.25, kernel 5.4: 05.44.25 https://www.insyde.com/security-pledge/SA-2022049

CVSS v3.0 6.4 MEDIUM

6.4^/10

CVSS v3.0 : MEDIUM

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	Vendor Advisory
https://www.insyde.com/security-pledge/SA-2022049	Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf

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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::::::::

Information

Published : 2022-11-14 15:15

Updated : 2023-02-14 04:15

NVD link : CVE-2022-33907

Mitre link : CVE-2022-33907

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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