CVE-2001-1166

NONECVSS 0.0

0.0

linprocfs on FreeBSD 4.3 and earlier does not properly restrict access to kernel memory, which allows one process with debugging rights on a privileged process to read restricted memory from that process.

CVSS v3: —
EG Score: —
EPSS: 69.4%
KEV: Not listed

Published

August 21, 2001

Last Modified

April 16, 2026

References (8)

cve@mitreftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:55.procfs.asc
cve@mitrehttp://www.iss.net/security_center/static/7017.php
cve@mitrehttp://www.osvdb.org/1938
cve@mitrehttp://www.securityfocus.com/bid/3217
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:55.procfs.asc
af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/7017.php
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/1938
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/3217

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(4)

What is CVE-2001-1166?

CVE-2001-1166 is a none vulnerability published on August 21, 2001. linprocfs on FreeBSD 4.3 and earlier does not properly restrict access to kernel memory, which allows one process with debugging rights on a privileged process to read restricted memory from that process.

When was CVE-2001-1166 disclosed?

CVE-2001-1166 was first published in the National Vulnerability Database on August 21, 2001, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2001-1166 actively exploited?

CVE-2001-1166 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2001-1166?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-1166, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2001-1166

📅 Published

🔄 Last Modified

🔗 References (8)