OpenBSD 2.9 through 3.1 allows local users to cause a denial of service (resource exhaustion) and gain root privileges by filling the kernel's file descriptor table and closing file descriptors 0, 1, or 2 before executing a privileged process, which is not properly handled when OpenBSD fails to open an alternate descriptor
Published Apr 2, 2003
7.2
HIGHCVSS 2.0
EPSS 0.59%
Description
OpenBSD 2.9 through 3.1 allows local users to cause a denial of service (resource exhaustion) and gain root privileges by filling the kernel's file descriptor table and closing file descriptors 0, 1, or 2 before executing a privileged process, which is not properly handled when OpenBSD fails to open an alternate descriptor.
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.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.59% (0.00589) | 46.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.59% (0.00589) | 43.33th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00097) | 24.81th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00061) | 27.98th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.06% (0.00061) | 26.11th | v3 (v2023.03.01) |
| Jan 29, 2024 | 0.06% (0.00061) | 24.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00087) | 35.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://online.securityfocus.com/archive/1/271702 mailing-listx_refsource_BUGTRAQ
- http://www.iss.net/security_center/static/9048.php vdb-entryx_refsource_XFPatchVendor Advisory
- http://www.kb.cert.org/vuls/id/314963 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.openbsd.org/errata.html#fdalloc2 vendor-advisoryx_refsource_OPENBSD
- http://www.osvdb.org/5114 vdb-entryx_refsource_OSVDB
- http://www.osvdb.org/5715 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/4708 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://online.securityfocus.com/archive/1/271702 | mailing-listx_refsource_BUGTRAQ | |
| http://www.iss.net/security_center/static/9048.php | vdb-entryx_refsource_XFPatchVendor Advisory | |
| http://www.kb.cert.org/vuls/id/314963 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.openbsd.org/errata.html#fdalloc2 | vendor-advisoryx_refsource_OPENBSD | |
| http://www.osvdb.org/5114 | vdb-entryx_refsource_OSVDB | |
| http://www.osvdb.org/5715 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/4708 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.