CVE-2019-6492

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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 0x9C401CC4 is called. This kernel pointer can be leaked if the kernel pool becomes a "big" pool.

Metrics

CVSS 3.0 5.5/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-401

Affected software

No affected versions have been published.

Timeline

Published: Mar 21, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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