CVE-2022-32954

An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 5.5. DMA attacks on the SdMmcDevice 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...

CVE-2022-32954

An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 5.5. DMA attacks on the SdMmcDevice 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...

CVE-2022-32954

The CVE-2022-32954 issue affects Insyde InsydeH2O BIOS (kernel 5.1–5.5). Description and connected sources confirm a TOCTOU race condition via DMA on SdMmcDevice buffer used by SMM and non-SMM code, risking SMRAM corruption and privilege escalation. Impacts are locally exploitable and context-spe...