In FreeBSD before 11.2-STABLE(r338987), 11.2-RELEASE-p4, and 11.1-RELEASE-p15, due to insufficient memory checking in the freebsd4_getfsstat system call, a NULL pointer dereference can occur. Unprivileged authenticated local users may be able to cause a denial of service.
| Software | From | Fixed in |
|---|---|---|
| freebsd / freebsd | - | 11.2 |
| freebsd / freebsd | 11.1-p15 | 11.1-p15.x |
| freebsd / freebsd | 11.2-p4 | 11.2-p4.x |