Security Advisory

CVE-2022-32475

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-02-15 00:00:00

Last updated 2025-05-05 16:16:08

Assigner mitre

State PUBLISHED

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This issue was fixed in the kernel, which also protected chipset and OEM chipset code.

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