CVE-2013-5710
low
CVSS v3
—
CVSS v4 NEW
—
VIR risk
3.7
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
FreeBSD Affected 6 releases
| Version | Status | Fixed in |
|---|---|---|
| 9.2 | Affected | — |
| 9.1 | Affected | — |
| 9.0 | Affected | — |
| 8.4 | Affected | — |
| 8.3 | Affected | — |
| 8.0 | Affected | — |
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.asc
- 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.asc
- http://www.securitytracker.com/id/1029015
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.