insyde Kernel StorageSecurityCommandDxe buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in insyde Kernel (version now known). It has been rated as critical. Affected by this issue is some unknown processing of the component StorageSecurityCommandDxe. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

DMA transactions which are targeted at input buffers used for the StorageSecurityCommandDxe software SMI handler 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 StorageSecurityCommandDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by

The weakness was disclosed 11/15/2022. The advisory is shared for download at This vulnerability is handled as CVE-2022-34325 since 06/22/2022. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-221055 and VDB-264476 are pretty similar.





CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍



VulDB Base Score: 🔍
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Class: Buffer overflow
CWE: CWE-120 / CWE-119

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


06/22/2022 🔍
11/15/2022 +146 days 🔍
11/15/2022 +0 days 🔍
12/18/2022 +33 days 🔍


Status: Confirmed

CVE: CVE-2022-34325 (🔍)
See also: 🔍


Created: 11/15/2022 10:27 AM
Updated: 12/18/2022 09:48 AM
Changes: 11/15/2022 10:27 AM (37), 12/18/2022 09:48 AM (12)
Complete: 🔍
Cache ID: 3:5FA:40


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