CVE-2021-46772

Summary

CVE-2021-4672 exposes a vulnerability in the ABL (American Megatrends BIOS/UEFI) system, allowing privileged attackers with BIOS menu or UEFI shell access to manipulate the SPI ROM structure headers. This issue may result in out-of-bounds memory read and write, leading to memory corruption or denial-of-service.

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