Catalyzes the 8-methyl hydroxylation of linalool. linalool + 2 O2 + 2 reduced [NADPH--hemoprotein reductase] = (6E)-8-oxolinalool + 2 H(+) + 3 H2O + 2 oxidized [NADPH--hemoprotein reductase] Terpene metabolism; linalool degradation. Belongs to the cytochrome P450 family.