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Unrated severityNVD Advisory· Published Feb 15, 2023· Updated May 5, 2025

CVE-2022-32475

CVE-2022-32475

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Insyde/InsydeH2Odescription
  • Insyde/BIOSllm-fuzzy
    Range: >= 5.0 <= 5.5 (kernel)

Patches

Vulnerability mechanics

No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.

References

2

News mentions

0

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