Security Advisory

CVE-2021-43323

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-02-03 01:50:01

Last updated 2025-11-04 19:12:44

Assigner mitre

State PUBLISHED

Description

An issue was discovered in UsbCoreDxe in Insyde InsydeH2O with kernel 5.5 before 05.51.45, 5.4 before 05.43.45, 5.3 before 05.35.45, 5.2 before 05.26.45, 5.1 before 05.16.45, and 5.0 before 05.08.45. An SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.

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