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The highest threat from this vulnerability is to data confidentiality and integrity, as well as system availability."},{"lang":"es","value":"Se encontró un fallo en grub2 en versiones anteriores a  2.06, donde habilita incorrectamente el uso del comando ACPI cuando Secure Boot está habilitado. Este fallo permite a un atacante con acceso privilegiado diseñar un Secondary System Description Table (SSDT) ??que contiene código para sobrescribir el contenido de la variable de bloqueo del kernel de Linux directamente en la memoria. El kernel carga y ejecuta aún más la tabla, anulando su bloqueo de Secure Boot y permite a un atacante cargar código sin firmar. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos, así como la disponibilidad del 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