MEDIUM · 5.5

CVE-2018-9151

A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys allows local non-privileged users to crash the system via IOCTL ...

Vulnerability Description

A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys allows local non-privileged users to crash the system via IOCTL 0x80030030.

CVSS Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
KingsoftInternet Security 9 Plus2010.06.23.247

Related Weaknesses (CWE)

References

FAQ

What is CVE-2018-9151?

CVE-2018-9151 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A NULL pointer dereference bug in the function ObReferenceObjectByHandle in the Kingsoft Internet Security 9+ kernel driver KWatch3.sys allows local non-privileged users to crash the system via IOCTL ...

How severe is CVE-2018-9151?

CVE-2018-9151 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-9151?

Check the references section above for vendor advisories and patch information. Affected products include: Kingsoft Internet Security 9 Plus.