The kqueue mechanism in FreeBSD 4.3 through 4.6 STABLE allows local users to cause a…
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 kqueue mechanism in FreeBSD 4.3 through 4.6 STABLE allows local users to cause a denial of service (kernel panic) via a pipe call in which one end is terminated and an EVFILT_WRITE filter is registered for the other end.
Why it matters now
EPSS 0.00332 26th 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 · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:4.3:release:*:*:*:*:*:* | 4.3 release | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.4:release:*:*:*:*:*:* | 4.4 release | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.5:release:*:*:*:*:*:* | 4.5 release | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.6:release:*:*:*:*:*:* | 4.6 release | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.6:stable:*:*:*:*:*:* | 4.6 stable | Vulnerable | FreeBSD |
- cpe:2.3:o:freebsd:freebsd:4.3:release:*:*:*:*:*:* Versions 4.3 release Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.4:release:*:*:*:*:*:* Versions 4.4 release Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.5:release:*:*:*:*:*:* Versions 4.5 release Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.6:release:*:*:*:*:*:* Versions 4.6 release Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.6:stable:*:*:*:*:*:* Versions 4.6 stable Vulnerable ·FreeBSD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-0831
- 2026-10-03 Alias added: GHSA-8m75-38w5-whf5
References
Advisory 1
Other 2
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Sources
- CVE-2002-0831 · CVE Program
- CVE-2002-0831 · NVD
- FIRST EPSS
- GHSA-8m75-38w5-whf5 · 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