CVE-2021-43522

None

Open

TLP:CLEAR

NVD CVE.org

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Description

An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 2021-11-08, 5.2 through 2021-11-08, and 5.3 through 2021-11-08. A StorageSecurityCommandDxe SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.

Details

EPSS Score ⓘ: 0.26%

18.2th percentile
Confidence: 90%
Published: Feb 2, 2022
Last Modified: Aug 11, 2026

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