CVE-2022-33906

DMA transactions which are targeted at input buffers used for the FwBlockServiceSmm software SMI handler 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 FwBlockServiceSmm driver could cause...

CVE-2022-33906

DMA transactions which are targeted at input buffers used for the FwBlockServiceSmm software SMI handler 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 FwBlockServiceSmm driver could cause...

CVE-2022-33906

TOCTOU vulnerability CVE-2022-33906 affects the input buffers used by the FwBlockServiceSmm software SMI handler in InsydeH2O UEFI firmware. DMA to these buffers can race with checks, potentially causing SMRAM corruption. Documented instances reference Siemens RuggedCom APE1808 platforms with Ins...