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

CVSS score not scored

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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