diff --git a/ntoskrnl/ke/amd64/trap.S b/ntoskrnl/ke/amd64/trap.S index 8efcd81d9d8..9c3c085d2e7 100644 --- a/ntoskrnl/ke/amd64/trap.S +++ b/ntoskrnl/ke/amd64/trap.S @@ -824,6 +824,16 @@ IntsEnabled: /* Swap gs back to user */ swapgs + ; Zero out volatiles + pxor xmm0, xmm0 + pxor xmm1, xmm1 + pxor xmm2, xmm2 + pxor xmm3, xmm3 + pxor xmm4, xmm4 + pxor xmm5, xmm5 + xor rdx, rdx + xor r10, r10 + /* return to user mode */ .byte HEX(48) // REX prefix to return to long mode sysret