OpenBSD 4.2 allows local users to cause a denial of service (kernel panic) by calling the SIOCGIFRTLABEL IOCTL on an interface that does not have a route label, which triggers a NULL pointer dereference when the return value from the rtlabel_id2name function is not checked
Published Jan 22, 2008
4.9
MEDIUMCVSS 2.0
EPSS 0.85%
Description
OpenBSD 4.2 allows local users to cause a denial of service (kernel panic) by calling the SIOCGIFRTLABEL IOCTL on an interface that does not have a route label, which triggers a NULL pointer dereference when the return value from the rtlabel_id2name function is not checked.
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:N/I:N/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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.85% (0.00846) | 56.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.85% (0.00846) | 53.07th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.18% (0.00175) | 36.54th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00043) | 11.52th | v3 (v2023.03.01) |
| Jun 12, 2024 | 0.04% (0.00043) | 9.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00043) | 7.57th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.92% (0.01924) | 78.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.92% (0.01924) | 76.07th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.92% (0.01924) | 55.23th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://marc.info/?l=openbsd-security-announce&m=120007327504064 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/28473 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.openbsd.org/errata42.html#005_ifrtlabel vendor-advisoryx_refsource_OPENBSD
- http://www.securityfocus.com/bid/27252 vdb-entryx_refsource_BIDExploit
- http://www.securitytracker.com/id?1019188 vdb-entryx_refsource_SECTRACK
- https://www.exploit-db.com/exploits/4935 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=openbsd-security-announce&m=120007327504064 | mailing-listx_refsource_MLIST | |
| http://secunia.com/advisories/28473 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.openbsd.org/errata42.html#005_ifrtlabel | vendor-advisoryx_refsource_OPENBSD | |
| http://www.securityfocus.com/bid/27252 | vdb-entryx_refsource_BIDExploit | |
| http://www.securitytracker.com/id?1019188 | vdb-entryx_refsource_SECTRACK | |
| https://www.exploit-db.com/exploits/4935 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.