CVE-2002-1667

Published: Dec 31, 2002Modified: Apr 16, 2026

2.1

Vector

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

Exploitability: 3.9 / Impact: 2.9

Source: NVD

Description

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.

Affected (2)

Products: Freebsd: Freebsd

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Freebsd Freebsd	Version 4.5 release
Freebsd Freebsd	Version 4.5 stable

References (4)

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:22.mmap.asc (unsafe URL)

Source: cve@mitre.org

PatchVendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/8921

Source: cve@mitre.org

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:22.mmap.asc (unsafe URL)

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/8921

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.