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.
| Software | From | Fixed in |
|---|---|---|
| freebsd / freebsd | 1.1.5.1 | 1.1.5.1.x |
| freebsd / freebsd | 2.0 | 2.0.x |
| freebsd / freebsd | 2.0.5 | 2.0.5.x |
| freebsd / freebsd | 2.1.0 | 2.1.0.x |
| freebsd / freebsd | 2.1.5 | 2.1.5.x |
| freebsd / freebsd | 2.1.6 | 2.1.6.x |
| freebsd / freebsd | 2.1.7.1 | 2.1.7.1.x |
| freebsd / freebsd | 2.2.2 | 2.2.2.x |
| freebsd / freebsd | 2.2.3 | 2.2.3.x |
| freebsd / freebsd | 2.2.4 | 2.2.4.x |
| freebsd / freebsd | 2.2.5 | 2.2.5.x |
| freebsd / freebsd | 2.2.6 | 2.2.6.x |
| freebsd / freebsd | 2.2.8 | 2.2.8.x |
| freebsd / freebsd | 3.0 | 3.0.x |
| freebsd / freebsd | 3.1 | 3.1.x |
| freebsd / freebsd | 3.2 | 3.2.x |
| netbsd / netbsd | 1.3.1 | 1.3.1.x |
| netbsd / netbsd | 1.3.2 | 1.3.2.x |
| netbsd / netbsd | 1.3.3 | 1.3.3.x |
| netbsd / netbsd | 1.4 | 1.4.x |