LOW
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
Published Sep 23, 2013
3.7
LOWCVSS 2.0
EPSS 0.29%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
3.7 LOW NVD
AV:L/AC:H/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.29% 0.00294
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.00294
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.29% (0.00294) | 19.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.29% (0.00294) | 20.86th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00052) | 13.29th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
Weaknesses (1)
References (5)
- http://secunia.com/advisories/54861 third-party-advisoryx_refsource_SECUNIA
- http://svnweb.freebsd.org/base?view=revision&revision=255442 x_refsource_CONFIRM
- http://www.debian.org/security/2013/dsa-2769 vendor-advisoryx_refsource_DEBIAN
- http://www.freebsd.org/security/advisories/FreeBSD-SA-13:13.nullfs.asc vendor-advisoryx_refsource_FREEBSDVendor Advisory
- http://www.securitytracker.com/id/1029015 vdb-entryx_refsource_SECTRACK
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/54861 | third-party-advisoryx_refsource_SECUNIA | |
| http://svnweb.freebsd.org/base?view=revision&revision=255442 | x_refsource_CONFIRM | |
| http://www.debian.org/security/2013/dsa-2769 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.freebsd.org/security/advisories/FreeBSD-SA-13:13.nullfs.asc | vendor-advisoryx_refsource_FREEBSDVendor Advisory | |
| http://www.securitytracker.com/id/1029015 | vdb-entryx_refsource_SECTRACK |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 23, 2013
Updated Aug 6, 2024
Reserved Sep 6, 2013
Link CVE-2013-5710
CISA Vulnrichment
Updated n/a