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Intelligence Center » Browse All Vulnerabilities » CVE-2002-1667

Overview

Vulnerability Score 2.1 2.1
CVE Id CVE-2002-1667
Last Modified 05 Sep 2008 04:31:12
Published 31 Dec 2002 12:00:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector LOCAL
Access Complexity LOW
Authentication NONE

CVE-2002-1667

Summary

The virtual memory management system in FreeBSD 4.5-RELEASE and earlier does not properly check the existence of a VM object during page invalidation, which allows local users to cause a denial of service (crash) by calling msync on an unaccessed memory map created with MAP_ANON and MAP_NOSYNC flags.

Vulnerable Systems

Operating System

  • Freebsd 4.5


References

XF - freebsd-mmap-msync-dos(8921)

FREEBSD - FreeBSD-SA-02:22


Last Updated: 27 May 2016 10:37:26