{"id":"CVE-2002-1667","aliases":["EUVD-2002-1648","GHSA-vq6h-p287-jxff"],"status":"published","title":"The virtual memory management system in FreeBSD 4.5-RELEASE and earlier does not properly check...","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.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00295,"percentile":0.22304,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2002-12-31T05:00:00Z","modified":"2026-06-16T21:59:45Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:22.mmap.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/8921","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-1667"},{"url":"https://github.com/advisories/GHSA-vq6h-p287-jxff"}],"sources":{"cve":[{"id":"CVE-2002-1667","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.","status":"published","published":"2005-06-21T04:00:00Z","modified":"2024-08-08T03:34:55.724Z","updated_at":"2026-11-02T14:33:54.972584Z"}],"euvd":[{"id":"EUVD-2002-1648","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.","status":"published","published":"2005-06-21T04:00:00Z","modified":"2024-08-08T03:34:55Z","updated_at":"2026-11-03T01:14:55.321691Z"}],"ghsa":[{"id":"GHSA-vq6h-p287-jxff","title":"The virtual memory management system in FreeBSD 4.5-RELEASE and earlier does not properly check...","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.","status":"published","published":"2022-05-03T03:08:10Z","modified":"2023-02-01T05:01:03Z","updated_at":"2026-11-02T14:49:39.648637Z"}],"nvd":[{"id":"CVE-2002-1667","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.","status":"published","published":"2002-12-31T05:00:00Z","modified":"2026-06-16T21:59:45.253Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:00:43.239725Z"}]}}