CVE-2023-28468

6.5 mediumEPSS 0.2%

Medium (6.5) in insyde kernel. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-863
Published: 2023-08-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

insyde:kernel

References

https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2023039
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2023039

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