Vulnerability record · CVE-2009-4114 · published 30 November 2009

CVE-2009-4114: Kaspersky anti-virus improper input validation vulnerability

Kaspersky · Kaspersky Anti Virus

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.

4.9 CVSS 2.0 Medium EPSS 0.83% · top 44.0% CWE-20 · Improper input validation

4.9CVSS 2.0 base score

0.83%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

16References, 6 tagged exploit

16 Jun 2026Last modified by NVD

Description

AV:L/AC:L/Au:N/C:N/I:N/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Kaspersky Anti Virus Kaspersky

References

Link	Tags
http://osvdb.org/60207
http://secunia.com/advisories/37398	Vendor Advisory
http://sysdream.com/article.php?story_id=323&section_id=78	Exploit
http://www.securityfocus.com/archive/1/507933/100/0/threaded
http://www.securityfocus.com/bid/37044	Exploit
http://www.securitytracker.com/id?1023198	Exploit
http://www.vupen.com/english/advisories/2009/3286	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/54309
http://osvdb.org/60207
http://secunia.com/advisories/37398	Vendor Advisory
http://sysdream.com/article.php?story_id=323&section_id=78	Exploit
http://www.securityfocus.com/archive/1/507933/100/0/threaded
http://www.securityfocus.com/bid/37044	Exploit
http://www.securitytracker.com/id?1023198	Exploit
http://www.vupen.com/english/advisories/2009/3286	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/54309

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-4114), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.