The nullfs implementation in sys/fs/nullfs/null_vnops.c in the kernel in FreeBSD 8.3 up to and including 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.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
freebsd freebsd 8.0 |
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freebsd freebsd 8.3 |
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freebsd freebsd 8.4 |
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freebsd freebsd 9.0 |
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freebsd freebsd 9.1 |
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freebsd freebsd 9.2 |
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