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CVE-2019-6493

nvd nist
Published: Apr 11, 2019Modified: Jun 17, 2026

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5.5
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability: 1.8 / Impact: 3.6
Source: NVD

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 0x9C401CC0 is called. This kernel pointer can be leaked if the kernel pool becomes a "big" pool.

Affected (1)

Products: Iobit: Smart Defrag
Iobit
1 product
Smart Defrag
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Smart Defrag
Version 6

Related CWEs

CWE-401
Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

References (4)

Source: cve@mitre.org
ExploitVendor Advisory
Source: cve@mitre.org
ProductVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ProductVendor Advisory

Timeline

No history available yet.