CVE-2019-6493
MEDIUMIobit Smart Defrag - Memory Leak
Title source: ruleDescription
SmartDefragDriver.sys (2.0) in IObit Smart Defrag 6 never frees an executable kernel pool that is allocated with user defined bytes and size when IOCTL 0x9C401CC0 is called. This kernel pointer can be leaked if the kernel pool becomes a "big" pool.
Scores
CVSS v3
5.5
EPSS
0.0014
EPSS Percentile
33.2%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Classification
CWE
CWE-401
Status
published
Affected Products (1)
iobit/smart_defrag
Timeline
Published
Apr 11, 2019
Tracked Since
Feb 18, 2026