The nullfs implementation in sys/fs/nullfs/null_vnops.c in the kernel in FreeBSD 8.3 through 9.2 allows local users with certain permissions to bypass access restrictions via a hardlink in a nullfs instance to a file in a different instance.
2013-09-23T20:55:07.433
2025-04-11T00:51:21.963
Deferred
CVSSv2: 3.7 (LOW)
AV:L/AC:H/Au:N/C:P/I:P/A:P
1.9
6.4
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | freebsd | freebsd | 8.0 | Yes |
Operating System | freebsd | freebsd | 8.3 | Yes |
Operating System | freebsd | freebsd | 8.4 | Yes |
Operating System | freebsd | freebsd | 9.0 | Yes |
Operating System | freebsd | freebsd | 9.1 | Yes |
Operating System | freebsd | freebsd | 9.2 | Yes |