VULNERABILITY INTELLIGENCE

CVE-2009-4114

CVSS score4.9 MEDIUM
EPSS probability0.83%
CISA KEVNot currently listed
Published2009-11-30
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:N/I:N/A:C

Description

kl1.sys in Kaspersky Anti-Virus 2010 9.0.0.463, and possibly other versions before 9.0.0.736, does not properly validate input to IOCTL 0x0022c008, which allows local users to cause a denial of service (system crash) via IOCTL requests using crafted kernel addresses that trigger memory corruption, possibly related to klavemu.kdl.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references