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CVE-2022-31243
MEDIUM · CVSS 6.4
EPSS exploitation probability: 0%
Published 2022-11-15T00:15:11.377 · Last modified 2026-06-17T04:45:12.057

Summary

Update description and links DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe driver could cause SMRAM corruption through a TOCTOU attack.. "DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in Kernel 5.2: 05.27.21. Kernel 5.3: 05.36.21. Kernel 5.4: 05.44.21. Kernel 5.5: 05.52.21 https://www.insyde.com/security-pledge/SA-2022044

Affected products

insyde — kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.