CVE-2002-0831 — 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

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LOW

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

Published Apr 2, 2003

2.1

LOW

CVSS 2.0

EPSS 0.33%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.33% 0.00332

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00332

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	0.33% (0.00332)	24.02th	v5 (v2026.06.15)
Jun 15, 2026	0.33% (0.00332)	24.74th	v5 (v2026.06.15)
Mar 17, 2025	0.08% (0.00084)	22.09th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00042)	5.07th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00042)	5.63th	v3 (v2023.03.01)
Mar 6, 2023	0.95% (0.00950)	32.28th	v2 (v2022.01.01)
Sep 10, 2022	0.95% (0.00950)	30.63th	v2 (v2022.01.01)
Apr 1, 2022	0.95% (0.00950)	28.61th	v2 (v2022.01.01)
Feb 4, 2022	0.95% (0.00950)	13.46th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://marc.info/?l=bugtraq&m=102865142610126&w=2
vendor-advisoryx_refsource_FREEBSD
http://www.iss.net/security_center/static/9774.php
vdb-entryx_refsource_XF
http://www.osvdb.org/5069
vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/5405
vdb-entryx_refsource_BID

Link	Providers	Tags
http://marc.info/?l=bugtraq&m=102865142610126&w=2		vendor-advisoryx_refsource_FREEBSD
http://www.iss.net/security_center/static/9774.php		vdb-entryx_refsource_XF
http://www.osvdb.org/5069		vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/5405		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 2, 2003

Updated Aug 8, 2024

Reserved Aug 6, 2002

Link CVE-2002-0831

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2002-0831

Red Hat

Severity n/a

Public date n/a

Links CVE-2002-0831