The asynchronous I/O facility in 4.4 BSD kernel does not check user credentials when…
Priority LOW 11CWE-255Published · 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 asynchronous I/O facility in 4.4 BSD kernel does not check user credentials when setting the recipient of I/O notification, which allows local users to cause a denial of service by using certain ioctl and fcntl calls to cause the signal to be sent to an arbitrary process ID.
Why it matters now
EPSS 0.00297 22nd 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 · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sgi:irix:*:*:*:*:*:*:*:* | all versions | Vulnerable | Sgi |
| cpe:2.3:o:bsd:bsd:*:*:*:*:*:*:*:* | all versions | Vulnerable | BSD |
| cpe:2.3:o:bsd:bsd:4.4:*:*:*:*:*:*:* | 4.4 | Vulnerable | BSD |
| cpe:2.3:o:freebsd:freebsd:6.2:stable:*:*:*:*:*:* | 6.2 stable | Vulnerable | FreeBSD |
| cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:* | 2.0.4 | Vulnerable | NetBSD |
| cpe:2.3:o:openbsd:openbsd:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | OpenBSD |
- cpe:2.3:o:sgi:irix:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Sgi
- cpe:2.3:o:bsd:bsd:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·BSD
- cpe:2.3:o:bsd:bsd:4.4:*:*:*:*:*:*:* Versions 4.4 Vulnerable ·BSD
- cpe:2.3:o:freebsd:freebsd:6.2:stable:*:*:*:*:*:* Versions 6.2 stable Vulnerable ·FreeBSD
- cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:* Versions 2.0.4 Vulnerable ·NetBSD
- cpe:2.3:o:openbsd:openbsd:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·OpenBSD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-1214
- 2026-10-03 Alias added: GHSA-2wrh-h883-mcp8
References
Other 1
Sources
- CVE-1999-1214 · CVE Program
- CVE-1999-1214 · NVD
- FIRST EPSS
- GHSA-2wrh-h883-mcp8 · GitHub Advisory Database · CC BY 4.0
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