FreeBSD 4.6 to 4.11 and 5.x to 5.4 uses insecure default permissions for the /dev/iir device, which allows local users to execute restricted ioctl calls to read or modify data on hardware that is controlled by the iir driver.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freebsd | Freebsd | 4.6 (including) | 4.6 (including) |
| Freebsd | Freebsd | 4.7 (including) | 4.7 (including) |
| Freebsd | Freebsd | 4.8 (including) | 4.8 (including) |
| Freebsd | Freebsd | 4.9 (including) | 4.9 (including) |
| Freebsd | Freebsd | 4.10 (including) | 4.10 (including) |
| Freebsd | Freebsd | 4.11 (including) | 4.11 (including) |
| Freebsd | Freebsd | 5.1 (including) | 5.1 (including) |
| Freebsd | Freebsd | 5.2 (including) | 5.2 (including) |
| Freebsd | Freebsd | 5.3 (including) | 5.3 (including) |
| Freebsd | Freebsd | 5.4 (including) | 5.4 (including) |