CVE-2002-1667 — LOW severity vulnerability (The virtual memory management system in FreeBSD 4.5-RELEASE)
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.
| CVE ID | CVE-2002-1667 |
|---|---|
| Severity | LOW |
| CVSS score | 2.1 |
| CVSS vector | AV:L/AC:L/Au:N/C:N/I:N/A:P |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 2002-12-31 |
| Last modified | 2026-04-16 |
| 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. |
| Source | NIST National Vulnerability Database |
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