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.
History

Mon, 05 May 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-02-15T00:00:00.000Z

Updated: 2025-05-05T16:16:08.295Z

Reserved: 2022-06-06T00:00:00.000Z

Link: CVE-2022-32475

cve-icon Vulnrichment

Updated: 2024-08-03T07:39:51.219Z

cve-icon NVD

Status : Modified

Published: 2023-02-15T14:15:11.950

Modified: 2025-05-05T17:18:14.633

Link: CVE-2022-32475

cve-icon Redhat

No data.