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
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2023-02-15T00:00:00
Updated: 2024-08-03T07:39:51.219Z
Reserved: 2022-06-06T00:00:00
Link: CVE-2022-32475
Vulnrichment
No data.
NVD
Status : Modified
Published: 2023-02-15T14:15:11.950
Modified: 2024-11-21T07:06:24.297
Link: CVE-2022-32475
Redhat
No data.