Race condition

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the NvmExpressDxe buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This attack can be mitigated by using IOMMU...

PT-2023-13223

Name of the Vulnerable Software and Affected Versions Insyde InsydeH2O versions 5.0 through 5.5 Description An issue was discovered in Insyde InsydeH2O that could cause TOCTOU race-condition issues due to DMA attacks on the NvmExpressDxe buffer used by SMM and non-SMM code, potentially leading to...