CVE-2019-6493

CVE-2019-6493 affects IObit Smart Defrag 6 (SmartDefragDriver.sys, v2.0). The issue arises because the driver never frees an executable kernel pool allocated with user-defined bytes and size when IOCTL 0x9C401CC0 is invoked, allowing a leak of a kernel pointer if the pool becomes a “big” pool. Co...