The undocumented semconfig system call in BSD freezes the state of semaphores, which allows local users to cause a denial of service of the semaphore system by using the semconfig call.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freebsd | Freebsd | 1.1.5.1 (including) | 1.1.5.1 (including) |
| Freebsd | Freebsd | 2.0 (including) | 2.0 (including) |
| Freebsd | Freebsd | 2.0.5 (including) | 2.0.5 (including) |
| Freebsd | Freebsd | 2.1.0 (including) | 2.1.0 (including) |
| Freebsd | Freebsd | 2.1.5 (including) | 2.1.5 (including) |
| Freebsd | Freebsd | 2.1.6 (including) | 2.1.6 (including) |
| Freebsd | Freebsd | 2.1.6.1 (including) | 2.1.6.1 (including) |
| Freebsd | Freebsd | 2.1.7.1 (including) | 2.1.7.1 (including) |
| Freebsd | Freebsd | 2.2 (including) | 2.2 (including) |
| Freebsd | Freebsd | 2.2.2 (including) | 2.2.2 (including) |
| Freebsd | Freebsd | 2.2.3 (including) | 2.2.3 (including) |
| Freebsd | Freebsd | 2.2.4 (including) | 2.2.4 (including) |
| Freebsd | Freebsd | 2.2.5 (including) | 2.2.5 (including) |
| Freebsd | Freebsd | 2.2.6 (including) | 2.2.6 (including) |
| Freebsd | Freebsd | 2.2.8 (including) | 2.2.8 (including) |
| Freebsd | Freebsd | 3.0 (including) | 3.0 (including) |
| Freebsd | Freebsd | 3.1 (including) | 3.1 (including) |
| Freebsd | Freebsd | 3.2 (including) | 3.2 (including) |
| Freebsd | Freebsd | 3.3 (including) | 3.3 (including) |
| Freebsd | Freebsd | 3.4 (including) | 3.4 (including) |
| Freebsd | Freebsd | 4.0 (including) | 4.0 (including) |
| Freebsd | Freebsd | 4.0-alpha (including) | 4.0-alpha (including) |
| Freebsd | Freebsd | 5.0 (including) | 5.0 (including) |
| Freebsd | Freebsd | 5.0-alpha (including) | 5.0-alpha (including) |
| Netbsd | Netbsd | 1.4.1 (including) | 1.4.1 (including) |
| Netbsd | Netbsd | 1.4.2 (including) | 1.4.2 (including) |