Total vulnerabilities in the database
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.
| Software | From | Fixed in |
|---|---|---|
| freebsd / freebsd | 4.5-stable | 4.5-stable.x |
| freebsd / freebsd | 4.5-release | 4.5-release.x |