CVE-2019-6493

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.

Weakness classification

• CWE-401: Missing Release of Memory after Effective Lifetime

Primary references

• cve@mitre.org — Exploit, Vendor Advisory
• cve@mitre.org — Product, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Product, Vendor Advisory