The undocumented semconfig system call in BSD freezes the state of semaphores, which…
Priority LOW 11Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The undocumented semconfig system call in BSD freezes the state of semaphores, which allows local users to cause a denial of service of the semaphore system by using the semconfig call.
Why it matters now
EPSS 0.00341 27th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 31
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:1.1.5.1:*:*:*:*:*:*:* | 1.1.5.1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.0.5:*:*:*:*:*:*:* | 2.0.5 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.1.5:*:*:*:*:*:*:* | 2.1.5 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.1.6:*:*:*:*:*:*:* | 2.1.6 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.1.6.1:*:*:*:*:*:*:* | 2.1.6.1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.1.7.1:*:*:*:*:*:*:* | 2.1.7.1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.2:*:*:*:*:*:*:* | 2.2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.2.2:*:*:*:*:*:*:* | 2.2.2 | Vulnerable | FreeBSD |
- cpe:2.3:o:freebsd:freebsd:1.1.5.1:*:*:*:*:*:*:* Versions 1.1.5.1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.0.5:*:*:*:*:*:*:* Versions 2.0.5 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.1.5:*:*:*:*:*:*:* Versions 2.1.5 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.1.6:*:*:*:*:*:*:* Versions 2.1.6 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.1.6.1:*:*:*:*:*:*:* Versions 2.1.6.1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.1.7.1:*:*:*:*:*:*:* Versions 2.1.7.1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.2.2:*:*:*:*:*:*:* Versions 2.2.2 Vulnerable ·FreeBSD
Show 21 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:2.2.3:*:*:*:*:*:*:* | 2.2.3 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.2.4:*:*:*:*:*:*:* | 2.2.4 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.2.5:*:*:*:*:*:*:* | 2.2.5 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.2.6:*:*:*:*:*:*:* | 2.2.6 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:2.2.8:*:*:*:*:*:*:* | 2.2.8 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:3.3:*:*:*:*:*:*:* | 3.3 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:3.4:*:*:*:*:*:*:* | 3.4 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.0:alpha:*:*:*:*:*:* | 4.0 alpha | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:5.0:alpha:*:*:*:*:*:* | 5.0 alpha | Vulnerable | FreeBSD |
| cpe:2.3:o:netbsd:netbsd:1.4.1:*:alpha:*:*:*:*:* | 1.4.1 | Vulnerable | NetBSD |
| cpe:2.3:o:netbsd:netbsd:1.4.1:*:arm32:*:*:*:*:* | 1.4.1 | Vulnerable | NetBSD |
| cpe:2.3:o:netbsd:netbsd:1.4.1:*:sparc:*:*:*:*:* | 1.4.1 | Vulnerable | NetBSD |
| cpe:2.3:o:netbsd:netbsd:1.4.2:*:alpha:*:*:*:*:* | 1.4.2 | Vulnerable | NetBSD |
| cpe:2.3:o:netbsd:netbsd:1.4.2:*:arm32:*:*:*:*:* | 1.4.2 | Vulnerable | NetBSD |
| cpe:2.3:o:netbsd:netbsd:1.4.2:*:sparc:*:*:*:*:* | 1.4.2 | Vulnerable | NetBSD |
| cpe:2.3:o:netbsd:netbsd:1.4.2:*:x86:*:*:*:*:* | 1.4.2 | Vulnerable | NetBSD |
- cpe:2.3:o:freebsd:freebsd:2.2.3:*:*:*:*:*:*:* Versions 2.2.3 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.2.4:*:*:*:*:*:*:* Versions 2.2.4 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.2.5:*:*:*:*:*:*:* Versions 2.2.5 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.2.6:*:*:*:*:*:*:* Versions 2.2.6 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:2.2.8:*:*:*:*:*:*:* Versions 2.2.8 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:3.4:*:*:*:*:*:*:* Versions 3.4 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.0:alpha:*:*:*:*:*:* Versions 4.0 alpha Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:5.0:alpha:*:*:*:*:*:* Versions 5.0 alpha Vulnerable ·FreeBSD
- cpe:2.3:o:netbsd:netbsd:1.4.1:*:alpha:*:*:*:*:* Versions 1.4.1 Vulnerable ·NetBSD
- cpe:2.3:o:netbsd:netbsd:1.4.1:*:arm32:*:*:*:*:* Versions 1.4.1 Vulnerable ·NetBSD
- cpe:2.3:o:netbsd:netbsd:1.4.1:*:sparc:*:*:*:*:* Versions 1.4.1 Vulnerable ·NetBSD
- cpe:2.3:o:netbsd:netbsd:1.4.2:*:alpha:*:*:*:*:* Versions 1.4.2 Vulnerable ·NetBSD
- cpe:2.3:o:netbsd:netbsd:1.4.2:*:arm32:*:*:*:*:* Versions 1.4.2 Vulnerable ·NetBSD
- cpe:2.3:o:netbsd:netbsd:1.4.2:*:sparc:*:*:*:*:* Versions 1.4.2 Vulnerable ·NetBSD
- cpe:2.3:o:netbsd:netbsd:1.4.2:*:x86:*:*:*:*:* Versions 1.4.2 Vulnerable ·NetBSD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2000-0461
- 2026-10-03 Alias added: GHSA-3rxh-gp2j-2w4m
References
Advisory 1
Sources
- CVE-2000-0461 · CVE Program
- CVE-2000-0461 · NVD
- FIRST EPSS
- GHSA-3rxh-gp2j-2w4m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences