Vulnerability Details CVE-2022-32475
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.7%
CVSS Severity
CVSS v3 Score 7.0
References
Products affected by CVE-2022-32475
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cpe:2.3:a:insyde:insydeh2o:05.0a.11
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cpe:2.3:a:insyde:insydeh2o:5.0
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cpe:2.3:a:insyde:insydeh2o:5.1
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cpe:2.3:a:insyde:insydeh2o:5.2
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cpe:2.3:a:insyde:insydeh2o:5.3
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cpe:2.3:a:insyde:insydeh2o:5.4
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cpe:2.3:a:insyde:insydeh2o:5.4.05.44.13
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cpe:2.3:a:insyde:insydeh2o:5.5
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cpe:2.3:a:insyde:insydeh2o:5.5.05.52.13