Description
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.
Metrics
CVSS 2.0 3.7/10
AV:L/AC:H/Au:N/C:P/I:P/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://secunia.com/advisories/54861
- http://svnweb.freebsd.org/base?view=revision&revision=255442
- http://www.debian.org/security/2013/dsa-2769
- http://www.freebsd.org/security/advisories/FreeBSD-SA-13:13.nullfs.ascVendor Advisory
- http://www.securitytracker.com/id/1029015
- http://secunia.com/advisories/54861
- http://svnweb.freebsd.org/base?view=revision&revision=255442
- http://www.debian.org/security/2013/dsa-2769
- http://www.freebsd.org/security/advisories/FreeBSD-SA-13:13.nullfs.ascVendor Advisory
- http://www.securitytracker.com/id/1029015
Timeline
- Published
- Sep 23, 2013
- Last modified
- Jun 16, 2026
- NVD status
- Modified