CVE-2022-30773

Severity Score

6.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). This issue was discovered by Insyde engineering. This issue is fixed in Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23. CWE-367

Los ataques DMA al búfer de parámetros utilizado por el controlador IhisiSmm podrían cambiar el contenido después de que se hayan verificado los valores de los parámetros pero antes de usarlos (un ataque TOCTOU). Los ataques DMA al búfer de parámetros utilizado por el controlador IhisiSmm podrían cambiar el contenido después de que se hayan verificado los valores de los parámetros pero antes de usarlos (un ataque TOCTOU). Este problema fue descubierto por la ingeniería de Insyde. Este problema se solucionó en Kernel 5.4: 05.44.23 y Kernel 5.5: 05.52.23. CWE-367

*Credits: N/A

CVSS Scores

NISTv3.1 6.4

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-05-16 CVE Reserved
2022-11-14 CVE Published
2024-06-06 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.insyde.com/security-pledge	2022-11-18
https://www.insyde.com/security-pledge/SA-2022042	2022-11-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Insyde Search vendor "Insyde"		Kernel Search vendor "Insyde" for product "Kernel"				>= 5.4 < 5.4.05.44.23 Search vendor "Insyde" for product "Kernel" and version " >= 5.4 < 5.4.05.44.23"		-		Affected
Insyde Search vendor "Insyde"		Kernel Search vendor "Insyde" for product "Kernel"				>= 5.5 < 5.5.05.52.23 Search vendor "Insyde" for product "Kernel" and version " >= 5.5 < 5.5.05.52.23"		-		Affected