CVE-2022-32475

HighCVSS 7.0/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-367

Affected software

No affected versions have been published.

Timeline

Published: Feb 15, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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