CVE-2022-33982

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 Int15ServiceSmm software SMI handler could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. DMA attacks on the parameter buffer used by the software SMI handler used by the driver Int15ServiceSmm could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. This issue was discovered by Insyde engineering during a security review. This issue is fixed in Kernel 5.2: 05.27.23, Kernel 5.3: 05.36.23, 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 SMI del software Int15ServiceSmm podrían provocar un ataque TOCTOU al controlador SMI y provocar la corrupción de SMRAM. Los ataques DMA al búfer de parámetros utilizado por el controlador SMI de software utilizado por el controlador Int15ServiceSmm podrían provocar un ataque TOCTOU al controlador SMI y provocar daños en SMRAM. Este problema fue descubierto por la ingeniería de Insyde durante una revisión de seguridad. Este problema se solucionó en Kernel 5.2: 05.27.23, Kernel 5.3: 05.36.23, 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

2022-06-18 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 (3)

URL	Tag	Source
https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.insyde.com/security-pledge	2023-02-14
https://www.insyde.com/security-pledge/SA-2022052	2023-02-14

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"				>= 5.2 < 5.2.05.27.23 Search vendor "Insyde" for product "Kernel" and version " >= 5.2 < 5.2.05.27.23"		-		Affected
Insyde Search vendor "Insyde"		Kernel Search vendor "Insyde" for product "Kernel"				>= 5.3 < 5.3.05.36.23 Search vendor "Insyde" for product "Kernel" and version " >= 5.3 < 5.3.05.36.23"		-		Affected
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