Operating systems with shared memory implementations based on BSD 4.4 code allow a user to conduct a denial of service and bypass memory limits (e.g., as specified with rlimits) using mmap or shmget to allocate memory and cause page faults.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freebsd | Freebsd | 1.1.5.1 | 1.1.5.1 |
| Freebsd | Freebsd | 2.0 | 2.0 |
| Freebsd | Freebsd | 2.0.5 | 2.0.5 |
| Freebsd | Freebsd | 2.1.0 | 2.1.0 |
| Freebsd | Freebsd | 2.1.5 | 2.1.5 |
| Freebsd | Freebsd | 2.1.6 | 2.1.6 |
| Freebsd | Freebsd | 2.1.7.1 | 2.1.7.1 |
| Freebsd | Freebsd | 2.2.2 | 2.2.2 |
| Freebsd | Freebsd | 2.2.3 | 2.2.3 |
| Freebsd | Freebsd | 2.2.4 | 2.2.4 |
| Freebsd | Freebsd | 2.2.5 | 2.2.5 |
| Freebsd | Freebsd | 2.2.6 | 2.2.6 |
| Freebsd | Freebsd | 2.2.8 | 2.2.8 |
| Freebsd | Freebsd | 3.0 | 3.0 |
| Freebsd | Freebsd | 3.1 | 3.1 |
| Freebsd | Freebsd | 3.2 | 3.2 |
| Netbsd | Netbsd | 1.3.1 | 1.3.1 |
| Netbsd | Netbsd | 1.3.2 | 1.3.2 |
| Netbsd | Netbsd | 1.3.3 | 1.3.3 |
| Netbsd | Netbsd | 1.4 | 1.4 |