Category Archives: Advisories

USN-7077-1: AMD Microcode vulnerability

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Enrique Nissim and Krzysztof Okupski discovered that some AMD processors
did not properly restrict access to the System Management Mode (SMM)
configuration when the SMM Lock was enabled. A privileged local attacker
could possibly use this issue to further escalate their privileges and
execute arbitrary code within the processor’s firmware layer.

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