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Medium severity6.5NVD Advisory· Published Aug 3, 2023· Updated Jun 17, 2026

CVE-2023-28468

CVE-2023-28468

Description

An issue was discovered in FvbServicesRuntimeDxe in Insyde InsydeH2O with kernel 5.0 through 5.5. The FvbServicesRuntimeDxe SMM module exposes an SMI handler that allows an attacker to interact with the SPI flash at run-time from the OS.

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Affected products

3
  • Insyde/Kernel
    cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
    Range: >=5.0,<=5.5
  • Insyde/InsydeH2Odescription
  • Insyde/InsydeH2Ollm-fuzzy
    Range: 5.0-5.5

Patches

Vulnerability mechanics

References

2

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