CVE-2011-0515

Kingsoft AntiVirus 2011 SP5.2 - Denial of Service via KiFastCallEntry Hook

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-0515. PoCs published by MJ0011.

AI-analyzed exploit summary This exploit targets a kernel-mode denial-of-service vulnerability in Kingsoft AntiVirus 2011 SP5.2 by triggering improper handling of the user stack pointer in KisKrnl.sys via a crafted interrupt call.

Description

KisKrnl.sys 2011.1.13.89 and earlier in Kingsoft AntiVirus 2011 SP5.2 allows local users to cause a denial of service (crash) via a crafted request that is not properly handled by the KiFastCallEntry hook.

Exploits (1)

exploitdb WORKING POC
by MJ0011 · textdoswindows
https://www.exploit-db.com/exploits/15998

This exploit targets a kernel-mode denial-of-service vulnerability in Kingsoft AntiVirus 2011 SP5.2 by triggering improper handling of the user stack pointer in KisKrnl.sys via a crafted interrupt call.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Kingsoft AntiVirus 2011 SP5.2 with KisKrnl.sys <= 2011.1.13.89
No auth needed
Prerequisites: Windows XP SP3 with vulnerable Kingsoft AntiVirus installed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/515767/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/64723
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/42937
Exploit exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/15998
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/45821

Scores

EPSS 0.0088
EPSS Percentile 54.4%

Details

Status published
Products (2)
kingsoft/kingsoft_antivirus 2010.04.26.648
kingsoftsecurity/kingsoft_antivirus 2011 sp5.2
Published Jan 20, 2011
Tracked Since Feb 18, 2026