CVE-2013-5710

FreeBSD 8.3-9.2 - Unauthenticated Access Restriction Bypass via nullfs Hardlink

Title source: llm
STIX 2.1

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.

References (5)

Core 5
Core References
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/54861
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1029015
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2013/dsa-2769
Vendor Advisory vendor-advisory x_refsource_freebsd
http://www.freebsd.org/security/advisories/FreeBSD-SA-13:13.nullfs.asc

Scores

EPSS 0.0005
EPSS Percentile 16.3%

Details

CWE
CWE-264
Status published
Products (6)
freebsd/freebsd 8.0
freebsd/freebsd 8.3
freebsd/freebsd 8.4
freebsd/freebsd 9.0
freebsd/freebsd 9.1
freebsd/freebsd 9.2
Published Sep 23, 2013
Tracked Since Feb 18, 2026