FreeBSD, NetBSD, and OpenBSD allow an attacker to cause a denial of service by creating a large number of socket pairs using the socketpair function, setting a large buffer size via setsockopt, then writing large buffers.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freebsd | Freebsd | 3.0 | 3.0 |
| Freebsd | Freebsd | 3.1 | 3.1 |
| Freebsd | Freebsd | 3.2 | 3.2 |
| Freebsd | Freebsd | 3.3 | 3.3 |
| Freebsd | Freebsd | 3.4 | 3.4 |
| Freebsd | Freebsd | 3.5 | 3.5 |
| Freebsd | Freebsd | 4.0 | 4.0 |
| Freebsd | Freebsd | 5.0 | 5.0 |
| Netbsd | Netbsd | 1.4 | 1.4 |
| Netbsd | Netbsd | 1.4.1 | 1.4.1 |
| Netbsd | Netbsd | 1.4.1 | 1.4.1 |
| Netbsd | Netbsd | 1.4.1 | 1.4.1 |
| Netbsd | Netbsd | 1.4.1 | 1.4.1 |
| Netbsd | Netbsd | 1.4.2 | 1.4.2 |
| Netbsd | Netbsd | 1.4.2 | 1.4.2 |
| Netbsd | Netbsd | 1.4.2 | 1.4.2 |
| Netbsd | Netbsd | 1.4.2 | 1.4.2 |
| Openbsd | Openbsd | 2.5 | 2.5 |
| Openbsd | Openbsd | 2.6 | 2.6 |
| Openbsd | Openbsd | 2.7 | 2.7 |