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Medium severity5.5NVD Advisory· Published Mar 21, 2019· Updated Jun 17, 2026

CVE-2019-6492

CVE-2019-6492

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.

Affected products

2
  • Iobit/Smart Defrag2 versions
    cpe:2.3:a:iobit:smart_defrag:6.0:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:iobit:smart_defrag:6.0:*:*:*:*:*:*:*
    • (no CPE)range: 6

Patches

Vulnerability mechanics

References

1

News mentions

0

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