Protocol Verification Failure in SMM: Exploiting SPI Flash for Arbitrary Code Execution

CVE-2021-26317 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution.

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