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.
References
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

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

Updated: 2023-02-15T00:00:00

Reserved: 2022-06-06T00:00:00


Link: CVE-2022-32475

JSON object: View

cve-icon NVD Information

Status : Analyzed

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

Modified: 2023-02-25T03:26:56.787


Link: CVE-2022-32475

JSON object: View

cve-icon Redhat Information

No data.

CWE