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OpenAdvisories
Medium · 6.4 CVE-2022-31243 EUVD-2022-52822GHSA-76hh-c32p-qpf2

Update description and links DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServices…

Published Nov 14, 2022 · Updated Apr 30, 2025 · Assigned by mitre

Description

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

Advisories 3

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