5.8 Medium
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
5.1%
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.
secunia.com/advisories/54861
svnweb.freebsd.org/base?view=revision&revision=255442
www.debian.org/security/2013/dsa-2769
www.freebsd.org/security/advisories/FreeBSD-SA-13:13.nullfs.asc
www.securitytracker.com/id/1029015